JP7363192B2 - Attachments and printing equipment - Google Patents

Attachments and printing equipment Download PDF

Info

Publication number
JP7363192B2
JP7363192B2 JP2019153341A JP2019153341A JP7363192B2 JP 7363192 B2 JP7363192 B2 JP 7363192B2 JP 2019153341 A JP2019153341 A JP 2019153341A JP 2019153341 A JP2019153341 A JP 2019153341A JP 7363192 B2 JP7363192 B2 JP 7363192B2
Authority
JP
Japan
Prior art keywords
roll
holding
housing
shaft
protrusion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2019153341A
Other languages
Japanese (ja)
Other versions
JP2021030575A (en
Inventor
雄士 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brother Industries Ltd
Original Assignee
Brother Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brother Industries Ltd filed Critical Brother Industries Ltd
Priority to JP2019153341A priority Critical patent/JP7363192B2/en
Priority to US17/000,261 priority patent/US11840070B2/en
Priority to CN202010855886.3A priority patent/CN112428707A/en
Publication of JP2021030575A publication Critical patent/JP2021030575A/en
Application granted granted Critical
Publication of JP7363192B2 publication Critical patent/JP7363192B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/042—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for loading rolled-up continuous copy material into printers, e.g. for replacing a used-up paper roll; Point-of-sale printers with openable casings allowing access to the rolled-up continuous copy material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/046—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for the guidance of continuous copy material, e.g. for preventing skewed conveyance of the continuous copy material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/02—Web rolls or spindles; Attaching webs to cores or spindles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/044—Cassettes or cartridges containing continuous copy material, tape, for setting into printing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4075—Tape printers; Label printers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/005—Dispensers, i.e. machines for unwinding only parts of web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/40—Toothed gearings
    • B65H2403/41—Rack-and-pinion, cogwheel in cog railway
    • B65H2403/411—Double rack cooperating with one pinion, e.g. for performing symmetrical displacement relative to pinion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/12—Single-function printing machines, typically table-top machines

Landscapes

  • Unwinding Webs (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Replacement Of Web Rolls (AREA)

Description

本発明は、アタッチメント及び印刷装置に関する。 The present invention relates to an attachment and a printing device.

従来、ロール紙を支持する一対のガイド部材を備えた印刷装置が知られている（例えば、特許文献１参照）。一対のガイド部材は、ロール紙の軸心穴に挿入する円環状に突出した支持部を有する。 2. Description of the Related Art Printing devices that include a pair of guide members that support roll paper are conventionally known (for example, see Patent Document 1). The pair of guide members has an annularly protruding support portion that is inserted into the axial hole of the roll paper.

特開２０１５－９４３９号公報JP 2015-9439 Publication

しかしながら、ロール紙の種類によっては軸心穴の内径の大きさが異なり、ロール紙を支持できない場合があった。支持部の直径を小さくすると、ロール紙が偏心運動を起こして搬送不良が発生するので、支持部の直径を単純に小さくできなかった。 However, the size of the inner diameter of the axial hole varies depending on the type of roll paper, and there are cases where the roll paper cannot be supported. If the diameter of the support portion is made smaller, the roll paper will cause eccentric movement, resulting in poor conveyance, so it has not been possible to simply reduce the diameter of the support portion.

本発明の目的は、所望のロールが印刷装置に直接装着できない場合であっても、印刷装置に装着できるアタッチメント及び印刷装置を提供することである。 An object of the present invention is to provide an attachment and a printing device that can be attached to a printing device even when a desired roll cannot be directly attached to the printing device.

本発明のアタッチメントは、印刷装置の印刷媒体を収容する収容部に着脱可能に装着し、前記印刷媒体を巻回するロールを支持するアタッチメントであって、上部が開口する略箱状をなし、前記ロールを交換可能に内側に収容する筐体と、前記筐体に設けられ、前記筐体が前記収容部に装着されたとき、前記収容部に設けた被係合部に係脱可能に係合する係合部と、前記筐体に設けられ、前記ロールを回転可能に支持する支持部とを備えたことを特徴とする。 The attachment of the present invention is an attachment that is removably attached to a storage unit for storing a print medium of a printing device and supports a roll around which the print medium is wound, and has a substantially box-like shape with an open upper part. a casing that replaceably accommodates a roll therein; and a casing provided in the casing and releasably engaged with an engaged portion provided in the accommodating part when the casing is attached to the accommodating part. and a support portion that is provided on the casing and rotatably supports the roll.

本発明のアタッチメントによれば、印刷装置の収容部に所望のロールを直接装着できない場合であっても、アタッチメントの筐体を印刷装置の収容部に装着し、筐体の支持部にロールを支持することで収容部に装着できる。筐体を収容部に装着するとき、筐体の係合部が収容部の被係合部と係合することで、収容部に対して筐体が正確に位置決めされる。これにより、収容部に対する筐体の位置ずれを防止できる。よって、印刷装置は、筐体に支持されたロールから引き出された印刷媒体に良好に印刷できる。 According to the attachment of the present invention, even if a desired roll cannot be directly attached to the storage section of the printing device, the casing of the attachment can be mounted to the storage section of the printing device, and the roll is supported by the support section of the casing. By doing so, it can be attached to the storage section. When the casing is attached to the accommodating part, the engaging part of the casing engages with the engaged part of the accommodating part, so that the casing is accurately positioned with respect to the accommodating part. Thereby, it is possible to prevent the casing from being misaligned with respect to the accommodating portion. Therefore, the printing device can print satisfactorily on the print medium pulled out from the roll supported by the housing.

本発明の印刷装置は、請求項１から７の何れか一に記載のアタッチメントを備えたことを特徴とする。 A printing device according to the present invention is characterized in that it includes the attachment according to any one of claims 1 to 7.

本発明の印刷装置によれば、請求項１から７の何れかに記載のアタッチメントを備えているので、請求項１から７の何れかの発明と同様の効果を得ることができる。 According to the printing device of the present invention, since it is provided with the attachment according to any one of claims 1 to 7, it is possible to obtain the same effects as the invention according to any one of claims 1 to 7.

印刷装置１の斜視図である。1 is a perspective view of a printing device 1. FIG. カバー３が開かれた印刷装置１の斜視図である。FIG. 3 is a perspective view of the printing device 1 with a cover 3 opened. ロール保持機構１５の斜視図である。FIG. 2 is a perspective view of a roll holding mechanism 15. FIG. アタッチメント１００が装着された印刷装置１の斜視図である。FIG. 1 is a perspective view of the printing apparatus 1 with an attachment 100 attached thereto. 左保持部７、右保持部８、アタッチメント１００の斜視図である。FIG. 2 is a perspective view of a left holding part 7, a right holding part 8, and an attachment 100. 筐体３０の右斜め前方から見た斜視図である。FIG. 3 is a perspective view of the housing 30 as seen diagonally from the right front. 筐体３０の左斜め前方から見た斜視図である。FIG. 3 is a perspective view of the housing 30 as seen diagonally from the front left. アタッチメント１００の斜視図である。1 is a perspective view of an attachment 100. FIG. アタッチメント１００の右側面図である。FIG. 2 is a right side view of the attachment 100. アタッチメント１００の左側面図である。FIG. 2 is a left side view of the attachment 100. アタッチメント１００の正面図である。FIG. 2 is a front view of the attachment 100. ロール保持部材４０の左斜め前方から見た斜視図である。FIG. 4 is a perspective view of the roll holding member 40 as seen diagonally from the front left. ロール保持部材４０の右斜め前方から見た斜視図である。FIG. 4 is a perspective view of the roll holding member 40 as seen diagonally from the front right. ロール保持部材４０の左斜め前方から見た分解斜視図である。FIG. 4 is an exploded perspective view of the roll holding member 40 as seen diagonally from the front left. ロール保持部材４０の右斜め後方から見た分解斜視図である。FIG. 4 is an exploded perspective view of the roll holding member 40 as seen diagonally from the rear right. アタッチメント２００が装着された印刷装置１の斜視図である。FIG. 2 is a perspective view of the printing apparatus 1 with an attachment 200 attached thereto. 筐体６０の右斜め前方から見た斜視図である。FIG. 3 is a perspective view of the housing 60 as seen diagonally from the right front. ロール保持部材７０の左斜め前方から見た斜視図である。FIG. 7 is a perspective view of the roll holding member 70 as seen diagonally from the front left. ロール保持部材７０の右斜め前方から見た斜視図である。FIG. 7 is a perspective view of the roll holding member 70 as seen diagonally from the front right. ロール保持部材７０の左斜め前方から見た分解斜視図である。FIG. 7 is an exploded perspective view of the roll holding member 70 as seen diagonally from the front left. ロール保持部材７０の右斜め前方から見た分解斜視図である。FIG. 7 is an exploded perspective view of the roll holding member 70 as seen diagonally from the front right. 回転ユニット７２の左斜め前方から見た分解斜視図である。FIG. 7 is an exploded perspective view of the rotation unit 72 as seen diagonally from the left front. 回転ユニット７２の右斜め後方から見た分解斜視図である。FIG. 7 is an exploded perspective view of the rotation unit 72 as seen diagonally from the rear right.

図１～図１５を参照し、本発明の第一実施形態を説明する。以下説明は、図中に矢印で示す左右、前後、上下を使用する。 A first embodiment of the present invention will be described with reference to FIGS. 1 to 15. In the following explanation, left and right, front and back, and up and down directions indicated by arrows in the drawings will be used.

図１～図３を参照し、印刷装置１の構成を説明する。図１に示す印刷装置１は、例えばメモリに記憶した印刷データ、又はＰＣ端末等の外部機器（図示略）から受信した印刷データを印刷媒体に印刷できる。印刷媒体は例えば感熱ラベルである。図１，図２に示すように、印刷装置１は、本体部２、カバー３、排出部４を備える。本体部２とカバー３は例えば樹脂材料で形成される。排出部４は、印刷装置１の前面に設けられ、印刷装置１内部で印刷された後述のテープを印刷装置１外部に排出する。排出部４は、左右方向に長いスリットである。排出部４は、本体部２の前部に設けた後述の下側形成部４Ａと、カバー３の前部に設けた後述の上側形成部４Ｂとにより構成される。 The configuration of the printing apparatus 1 will be described with reference to FIGS. 1 to 3. The printing device 1 shown in FIG. 1 can print, for example, print data stored in a memory or print data received from an external device (not shown) such as a PC terminal onto a print medium. The print medium is, for example, a thermal label. As shown in FIGS. 1 and 2, the printing apparatus 1 includes a main body 2, a cover 3, and a discharge section 4. As shown in FIGS. The main body portion 2 and the cover 3 are made of, for example, a resin material. The discharge section 4 is provided on the front side of the printing apparatus 1 and discharges a tape printed inside the printing apparatus 1, which will be described later, to the outside of the printing apparatus 1. The discharge part 4 is a slit that is long in the left-right direction. The discharge section 4 includes a lower forming section 4A, which will be described later, provided at the front of the main body section 2, and an upper forming section 4B, which will be described below, provided at the front of the cover 3.

本体部２は、略直方体の箱状である。図２に示すように、本体部２は、印刷装置１の下側部分をなし、本体カバー１０、収容部１１、プラテンローラ１３、ロール保持機構１５を備える。本体カバー１０は、本体部２上部に設けられ、側面視下方に向けて中央が円弧状に湾曲する板状部材である。収容部１１は、本体カバー１０により区画された印刷装置１の内部空間である。収容部１１には、ロールＭ１が軸心穴を左右方向に向けた状態で収容される。ロールＭ１は、感熱ラベルが粘着剤により台紙（剥離紙）に貼着され、筒状の芯に巻回されて構成される。台紙付きの感熱ラベルを、以下、「テープ」という。ロール保持機構１５は、収容部１１に設けられ、ロールＭ１を取り外し可能に支持する。プラテンローラ１３は、本体部２上部における収容部１１の前側に設けられる。プラテンローラ１３は、テープを前後方向に搬送する為の円柱状のローラであり、排出部４の長手方向（左右方向）に沿って設けられる。プラテンローラ１３の前側には、正面視凹状の下側形成部４Ａが設けられる。下側形成部４Ａは、排出部４の下側部分を形成する。 The main body portion 2 has a substantially rectangular box shape. As shown in FIG. 2, the main body section 2 forms the lower part of the printing apparatus 1 and includes a main body cover 10, a storage section 11, a platen roller 13, and a roll holding mechanism 15. The main body cover 10 is a plate-like member that is provided on the upper part of the main body 2 and whose center is curved in an arc shape downward in side view. The housing section 11 is an internal space of the printing apparatus 1 partitioned by the main body cover 10 . The roll M1 is accommodated in the accommodating portion 11 with the axial hole facing in the left-right direction. The roll M1 is composed of a heat-sensitive label adhered to a backing paper (release paper) using an adhesive and wound around a cylindrical core. The heat-sensitive label with a mount is hereinafter referred to as a "tape." The roll holding mechanism 15 is provided in the accommodating portion 11 and removably supports the roll M1. The platen roller 13 is provided on the front side of the storage section 11 in the upper part of the main body section 2 . The platen roller 13 is a cylindrical roller for conveying the tape in the front-back direction, and is provided along the longitudinal direction (left-right direction) of the discharge section 4. A lower forming portion 4A having a concave shape in front view is provided on the front side of the platen roller 13. The lower forming part 4A forms the lower part of the discharge part 4.

カバー３は、本体部２の後上部において左右方向に延びる軸を中心に開閉可能に軸支される。カバー３の前側部の下面には、サーマルヘッド１４が左右方向に延設される。サーマルヘッド１４は、左右方向に沿って並んだ複数の発熱体を有する。サーマルヘッド１４は、電子回路基板（図示略）によって制御され、加熱により感熱ラベルにキャラクタ等を印刷可能である。サーマルヘッド１４の前側には、上側形成部４Ｂが設けられる。上側形成部４Ｂは、排出部４の上側部分を形成する。 The cover 3 is pivotally supported in the rear upper part of the main body part 2 so as to be openable and closable about a shaft extending in the left-right direction. A thermal head 14 is provided on the lower surface of the front side of the cover 3 to extend in the left-right direction. The thermal head 14 includes a plurality of heating elements arranged in the left-right direction. The thermal head 14 is controlled by an electronic circuit board (not shown), and can print characters and the like on the heat-sensitive label by heating. An upper forming portion 4B is provided on the front side of the thermal head 14. The upper forming part 4B forms the upper part of the discharge part 4.

図３を参照し、ロール保持機構１５の構造を説明する。ロール保持機構１５は、左保持部７、右保持部８、支持台２０を備え、正面視上方に向けて開口する略Ｕ字状に形成される。 The structure of the roll holding mechanism 15 will be explained with reference to FIG. 3. The roll holding mechanism 15 includes a left holding part 7, a right holding part 8, and a support base 20, and is formed in a substantially U-shape that opens upward when viewed from the front.

左保持部７は、側面視略直角三角形状の板状部材である。左保持部７は、対向面１７、突起１７１、扇状部１７２、案内部１７３、第一被係合穴１７４、第二被係合穴１７５、連結部７Ａ等を備える。対向面１７は、右保持部８と対向する面である。突起１７１は、対向面１７の上部から右保持部８側に突出する円錐台状に形成される。扇状部１７２は、突起１７１周囲の上側略半分となる領域の周方向に延設され、対向面１７から右保持部８側に突出する。扇状部１７２の突出量は、突起１７１の突出量よりも小さい。 The left holding portion 7 is a plate-like member having a substantially right triangular shape when viewed from the side. The left holding portion 7 includes a facing surface 17, a protrusion 171, a fan-shaped portion 172, a guide portion 173, a first engaged hole 174, a second engaged hole 175, a connecting portion 7A, and the like. The opposing surface 17 is a surface that faces the right holding portion 8 . The protrusion 171 is formed in the shape of a truncated cone that protrudes from the upper part of the opposing surface 17 toward the right holding portion 8 side. The fan-shaped portion 172 extends in the circumferential direction of an area that is approximately the upper half of the periphery of the protrusion 171, and protrudes from the opposing surface 17 toward the right holding portion 8 side. The amount of protrusion of fan-shaped portion 172 is smaller than the amount of protrusion of protrusion 171 .

案内部１７３は、左保持部７の前部から右保持部８側に突出する。第一被係合穴１７４は、対向面１７の前側で且つ案内部１７３よりも後方に設けられる。第一被係合穴１７４は、左右方向に貫通する丸穴である。第二被係合穴１７５は、対向面１７の後側に設けられ、左右方向に貫通する小判穴であり、その長径は、第一被係合穴１７４の中心に向かって延びる。連結部７Ａは、左保持部７の下端部における後側から右保持部８側に延びる横長板状に形成される。連結部７Ａは、本体カバー１０に設けた案内溝（図示略）を介して、後述の支持台２０のガイド部材２２に螺子で固定される。 The guide portion 173 protrudes from the front portion of the left holding portion 7 toward the right holding portion 8 side. The first engaged hole 174 is provided on the front side of the opposing surface 17 and behind the guide portion 173. The first engaged hole 174 is a round hole that penetrates in the left-right direction. The second engaged hole 175 is an oval hole that is provided on the rear side of the opposing surface 17 and penetrates in the left-right direction, and its major axis extends toward the center of the first engaged hole 174 . The connecting portion 7A is formed in a horizontally long plate shape extending from the rear side of the lower end portion of the left holding portion 7 toward the right holding portion 8 side. The connecting portion 7A is screwed to a guide member 22 of the support base 20, which will be described later, via a guide groove (not shown) provided in the main body cover 10.

右保持部８は、左保持部７と左右略対称形状である。詳述しないが、右保持部８も、左保持部７と同様に、対向面１８、突起（図示略）、扇状部１８２、案内部１８３、第一被係合穴（図示略）、第二被係合穴（図示略）、連結部８Ａ等を備える。連結部８Ａは、本体カバー１０に設けた案内溝（図示略）を介して、後述の支持台２０のガイド部材２３に螺子で固定される。 The right holding part 8 and the left holding part 7 are substantially symmetrical in shape. Although not described in detail, like the left holding part 7, the right holding part 8 also has an opposing surface 18, a protrusion (not shown), a fan-shaped part 182, a guide part 183, a first engaged hole (not shown), and a second engaging hole (not shown). It includes an engaged hole (not shown), a connecting portion 8A, and the like. The connecting portion 8A is fixed to a guide member 23 of the support base 20, which will be described later, with a screw through a guide groove (not shown) provided in the main body cover 10.

支持台２０は、基台２１、ガイド部材２２、ガイド部材２３、ピニオンギア２４、コイルバネ２８、コイルバネ２９、位置調整具２６、ナット２７等を備える。基台２１は、本体部２０１と前側支持部２０２を備える。本体部２０１は、平面視左右方向に長い略矩形板状に形成される。前側支持部２０２は、本体部２０１の前端部の左側部位から前方に突出して設けられ、平面視左右方向に長い略矩形板状に形成される。本体部２０１の上面には、ガイド部材２２、ガイド部材２３、ピニオンギア２４、コイルバネ２８，２９等が配置される。 The support stand 20 includes a base 21, a guide member 22, a guide member 23, a pinion gear 24, a coil spring 28, a coil spring 29, a position adjuster 26, a nut 27, and the like. The base 21 includes a main body part 201 and a front support part 202. The main body portion 201 is formed into a substantially rectangular plate shape that is long in the left-right direction in plan view. The front support portion 202 is provided so as to protrude forward from the left side portion of the front end portion of the main body portion 201, and is formed into a substantially rectangular plate shape that is long in the left-right direction in a plan view. A guide member 22, a guide member 23, a pinion gear 24, coil springs 28, 29, and the like are arranged on the upper surface of the main body portion 201.

ガイド部材２２は、平面視左右方向に細長い略矩形板状に形成され、本体部２０１の上面後側において、左右方向に移動可能に支持される。ガイド部材２２の前端部には、ラックギア（図示略）が設けられる。ガイド部材２３は、ガイド部材２２と同様に、平面視左右方向に細長い略矩形板状に形成され、本体部２０１の上面前側において、左右方向に移動可能に支持される。ガイド部材２３の後端部には、ラックギア（図示略）が設けられる。ガイド部材２３の前端部には、前方に突出する係止部２３１が設けられる。 The guide member 22 is formed into a substantially rectangular plate shape that is elongated in the left-right direction in a plan view, and is supported on the rear side of the upper surface of the main body portion 201 so as to be movable in the left-right direction. A rack gear (not shown) is provided at the front end of the guide member 22. Like the guide member 22, the guide member 23 is formed into a substantially rectangular plate shape that is elongated in the left-right direction in a plan view, and is supported movably in the left-right direction on the front side of the upper surface of the main body portion 201. A rack gear (not shown) is provided at the rear end of the guide member 23 . A locking portion 231 that protrudes forward is provided at the front end of the guide member 23 .

ピニオンギア２４は、本体部２０１の上面略中央で、且つガイド部材２２の前端部とガイド部材２３の後端部の間において回転可能に軸支される。ピニオンギア２４は、ガイド部材２２の前端部のラックギアと、ガイド部材２３の後端部のラックギアに噛合する。これにより、ガイド部材２３が右方に移動すると、ピニオンギア２４は平面視反時計回りに回転し、ガイド部材２２は左方に移動するので、左保持部７と右保持部８は互いに離隔する方向に移動する。これとは逆に、ガイド部材２３が左方に移動すると、ピニオンギア２４は平面視時計回りに回転し、ガイド部材２２は右方に移動するので、左保持部７と右保持部８は互いに接近する方向に移動する。 The pinion gear 24 is rotatably supported substantially at the center of the upper surface of the main body 201 and between the front end of the guide member 22 and the rear end of the guide member 23 . The pinion gear 24 meshes with a rack gear at the front end of the guide member 22 and a rack gear at the rear end of the guide member 23. As a result, when the guide member 23 moves to the right, the pinion gear 24 rotates counterclockwise in plan view, and the guide member 22 moves to the left, so that the left holding part 7 and the right holding part 8 are separated from each other. move in the direction. Conversely, when the guide member 23 moves to the left, the pinion gear 24 rotates clockwise in plan view and the guide member 22 moves to the right, so that the left holding part 7 and the right holding part 8 are mutually Move in the direction of approach.

コイルバネ２８は、本体部２０１の右端部と、ガイド部材２２の左端部の間に設けられ、ガイド部材２２を常時右方に向けて付勢する。コイルバネ２９は、本体部２０１の左端部と、ガイド部材２３の右端部の間に設けられ、ガイド部材２３を常時左方に向けて付勢する。これにより、左保持部７と右保持部８は、コイルバネ２８，２９により互いに接近する方向に常時付勢される。 The coil spring 28 is provided between the right end of the main body 201 and the left end of the guide member 22, and always biases the guide member 22 toward the right. The coil spring 29 is provided between the left end of the main body 201 and the right end of the guide member 23, and always biases the guide member 23 toward the left. As a result, the left holding part 7 and the right holding part 8 are constantly urged by the coil springs 28 and 29 in a direction toward each other.

位置調整具２６は、前側支持部２０２の上面に配置される。位置調整具２６は、ネジ部２６１と操作部２６２を備える。ネジ部２６１は左右方向に延びる棒状に形成され、前側支持部２０２の上面において回転可能に支持される。操作部２６２は、ネジ部２６１の左端部に直交して設けられ、略円盤状に形成される。操作部２６２の回転操作により、ネジ部２６１が回転する。 The position adjustment tool 26 is arranged on the upper surface of the front support section 202. The position adjustment tool 26 includes a screw portion 261 and an operating portion 262. The threaded portion 261 is formed into a rod shape extending in the left-right direction, and is rotatably supported on the upper surface of the front support portion 202 . The operating portion 262 is provided perpendicularly to the left end portion of the threaded portion 261 and is formed in a substantially disk shape. The threaded portion 261 is rotated by the rotation operation of the operating portion 262.

ナット２７は、前側支持部２０２の上面において、位置調整具２６のネジ部２６１に噛合する。操作部２６２の正逆方向への回転操作に伴い、ナット２７は左右方向に移動する。 The nut 27 engages with the threaded portion 261 of the position adjuster 26 on the upper surface of the front support portion 202 . As the operating portion 262 is rotated in the forward and reverse directions, the nut 27 moves in the left-right direction.

上記の通り、ガイド部材２３はコイルバネ２９により左方に常時付勢されるので、係止部２３１は、ナット２７に対して右方から係止する。ナット２７の位置で、ガイド部材２３の位置が決まるので、右保持部８の位置が決まる。右保持部８の位置が決まると、ピニオンギア２４を介して、ガイド部材２２の位置が相対的に決まるので、左保持部７の位置も決まる。ユーザは、位置調整具２６の操作部２６２の回転操作により、左保持部７と右保持部８の離隔幅を適宜調節できる。 As described above, since the guide member 23 is always urged leftward by the coil spring 29, the locking portion 231 locks the nut 27 from the right side. Since the position of the guide member 23 is determined by the position of the nut 27, the position of the right holding portion 8 is determined. When the position of the right holding part 8 is determined, the position of the guide member 22 is determined relatively via the pinion gear 24, so the position of the left holding part 7 is also determined. The user can adjust the separation width between the left holding part 7 and the right holding part 8 as appropriate by rotating the operating part 262 of the position adjustment tool 26.

ロール保持機構１５の操作方法を説明する。図２に示すように、ユーザはカバー３を開き、収容部１１を露出させる。収容部１１において、ユーザは、コイルバネ２８，２９の付勢力に抗して、左保持部７と右保持部８を互いに離隔する方向（左右方向外側）に手動で押し開く。ユーザは、左保持部７と右保持部８の間に、ロールＭ１を右側面視反時計回りに巻回された状態で配置する。ユーザが左保持部７と右保持部８に対する操作を解除すると、左保持部７と右保持部８は、コイルバネ２８，２９の付勢力により、扇状部１７２，１８２が、ロールＭ１の左右の両端面に接触する位置まで移動する。扇状部１７２，１８２がロールＭ１の両端面に接触すると、左保持部７と右保持部８は移動を停止する。左保持部７の突起１７１と右保持部８の突起は、ロールＭ１の軸心穴に嵌合する。その結果、扇状部１７２，１８２の離隔距離は、ロールＭ１の幅と略同じ長さとなる。ロールＭ１から引き出されたテープは、左保持部７の案内部１７３、及び右保持部８の案内部１８３の夫々の下側を通し、排出部４付近に配置する。ユーザはカバー３を閉じる。 A method of operating the roll holding mechanism 15 will be explained. As shown in FIG. 2, the user opens the cover 3 and exposes the housing part 11. In the housing section 11, the user manually pushes open the left holding section 7 and the right holding section 8 in a direction to separate them from each other (outward in the left-right direction) against the urging force of the coil springs 28 and 29. The user places the roll M1 between the left holding part 7 and the right holding part 8 in a state where it is wound counterclockwise when viewed from the right side. When the user releases the operation on the left holding part 7 and the right holding part 8, the fan-shaped parts 172 and 182 of the left holding part 7 and the right holding part 8 are held at both left and right ends of the roll M1 by the urging force of the coil springs 28 and 29. Move to a position where it touches the surface. When the fan-shaped parts 172 and 182 come into contact with both end surfaces of the roll M1, the left holding part 7 and the right holding part 8 stop moving. The protrusion 171 of the left holding part 7 and the protrusion of the right holding part 8 fit into the axial hole of the roll M1. As a result, the separation distance between the fan-shaped portions 172 and 182 becomes approximately the same length as the width of the roll M1. The tape pulled out from the roll M1 passes under each of the guide section 173 of the left holding section 7 and the guide section 183 of the right holding section 8, and is placed near the discharge section 4. The user closes the cover 3.

印刷装置１の印刷動作を説明する。収容部１１にロールＭ１が収容され、カバー３が閉状態のとき、サーマルヘッド１４とプラテンローラ１３は互いに近接する。サーマルヘッド１４とプラテンローラ１３の間にテープが配置される。サーマルヘッド１４は、プラテンローラ１３に向けてテープを押し付ける。プラテンローラ１３は、搬送モータ（図示略）の駆動により回転することで、ロールＭ１からテープを引き出し、サーマルヘッド１４により押し付けられたテープを搬送する。サーマルヘッド１４は、発熱体が選択的に発熱することによりテープに貼付された感熱ラベルにキャラクタ等をライン単位で印刷する。カバー３が閉状態のとき、排出部４は、印刷装置１内部で印刷された感熱ラベルが貼付されたテープを印刷装置１外部に排出する。なお、印刷装置１は、例えば、印刷済みのテープを所定位置で切断する切断部を排出部４に備えてもよい。切断部は、例えば、左右方向にノコギリ状の歯が並ぶ切断部材、又は切断刃を備えるカッタ機構等を採用してもよい。 The printing operation of the printing device 1 will be explained. When the roll M1 is housed in the housing section 11 and the cover 3 is in a closed state, the thermal head 14 and the platen roller 13 are close to each other. A tape is placed between the thermal head 14 and the platen roller 13. The thermal head 14 presses the tape toward the platen roller 13. The platen roller 13 is rotated by a transport motor (not shown) to pull out the tape from the roll M1 and transport the tape pressed by the thermal head 14. The thermal head 14 prints characters and the like line by line on the heat-sensitive label attached to the tape by selectively generating heat from the heating element. When the cover 3 is in the closed state, the discharge section 4 discharges the tape to which the heat-sensitive label printed inside the printing apparatus 1 is attached to the outside of the printing apparatus 1 . Note that the printing device 1 may include, for example, a cutting section in the discharge section 4 that cuts the printed tape at a predetermined position. The cutting section may employ, for example, a cutting member having saw-like teeth arranged in the left-right direction, a cutter mechanism equipped with a cutting blade, or the like.

ロールの軸心穴の大きさによって、ロール保持機構１５でロールを支持できない場合を説明する。例えば、ロールの軸心穴の内径が、左保持部７の突起１７１及び右保持部８の突起の夫々の内径と異なる場合、従来のように搬送不良の問題が発生するおそれがあるので、ロールを、ロール保持機構１５に直接的に装着できない。そこで、本実施形態では、ユーザは、アタッチメント１００を使用することで、ロールをロール保持機構１５に装着できる（図４参照）。なお、アタッチメント１００の構成と作用効果については後述する。 A case will be described in which the roll holding mechanism 15 cannot support the roll due to the size of the roll's axial hole. For example, if the inner diameter of the axial center hole of the roll is different from the inner diameter of the protrusion 171 of the left holding part 7 and the protrusion of the right holding part 8, there is a risk of poor conveyance as in the conventional case. cannot be directly attached to the roll holding mechanism 15. Therefore, in this embodiment, the user can attach the roll to the roll holding mechanism 15 by using the attachment 100 (see FIG. 4). Note that the configuration and effects of the attachment 100 will be described later.

ロール保持機構１５に直接的に装着できないロールとして、特に、ライナーレステープからなるロールを使用する場合を説明する。ライナーレステープは、上述のテープとは異なり、台紙（剥離紙）が無いテープである。図４に示すロールＭ２は、ライナーレステープが、粘着剤を有する面（以下、粘着面）を内側にして筒状の芯に巻回されて構成される。仮にロールＭ２をロールＭ１と同様に、ロール保持機構１５の左保持部７と右保持部８の間に挟持し、印刷装置１で印刷する場合を想定する。ロールＭ２から引き出されて搬送されるライナーレステープは、上側が印刷面、下側が粘着面になる。印刷動作実行後、印刷装置１は、サーマルヘッド１４と切断部との間の距離分の先頭余白を削減する為、次の印刷前に、プラテンローラを逆転させ、テープを逆方向に搬送させる。このとき、テープを逆方向に搬送させた分、テープに弛みが発生するが、台紙付のテープであれば弛んでも問題無い。ところが、ライナーレステープの場合、逆転時に弛みが発生することで、ライナーレステープ下側の粘着面が搬送経路に貼りついてしまい、印刷不良が発生する可能性がある。そこで、本実施形態では、ユーザは、アタッチメント１００を使用して、ロールＭ２をロール保持機構１５に装着することにより、後述するように、ライナーレステープの逆転時における弛みの発生を防止できる。 In particular, the case where a roll made of linerless tape is used as a roll that cannot be directly attached to the roll holding mechanism 15 will be described. Linerless tape is a tape that does not have a backing paper (release paper), unlike the above-mentioned tapes. Roll M2 shown in FIG. 4 is constructed by winding a linerless tape around a cylindrical core with the surface having an adhesive (hereinafter referred to as the adhesive surface) inside. Assume that the roll M2 is held between the left holding part 7 and the right holding part 8 of the roll holding mechanism 15, like the roll M1, and is printed by the printing apparatus 1. The linerless tape that is pulled out from the roll M2 and conveyed has a printed surface on the upper side and an adhesive surface on the lower side. After executing the printing operation, the printing apparatus 1 reverses the platen roller and transports the tape in the opposite direction before the next printing in order to reduce the leading margin by the distance between the thermal head 14 and the cutting section. At this time, since the tape is conveyed in the opposite direction, the tape becomes slack, but if the tape is attached with a mount, there is no problem even if the tape slackens. However, in the case of linerless tape, slack occurs during reversal, which may cause the adhesive surface on the lower side of the linerless tape to stick to the conveyance path, resulting in printing defects. Therefore, in this embodiment, by using the attachment 100 to attach the roll M2 to the roll holding mechanism 15, the user can prevent the occurrence of slack when the linerless tape is reversed, as described later.

図４、図５を参照し、アタッチメント１００の構成を説明する。アタッチメント１００は、筐体３０とロール保持部材４０を備える。筐体３０は、ロールＭ２を交換可能に収容し、且つ印刷装置１のロール保持機構１５に対して着脱可能に装着される。ロール保持部材４０は、ロールＭ２の軸心穴に内嵌され、筐体３０に取り付けられることにより、ロールＭ２を回転可能に支持する。 The configuration of the attachment 100 will be described with reference to FIGS. 4 and 5. The attachment 100 includes a housing 30 and a roll holding member 40. The housing 30 replaceably accommodates the roll M2, and is detachably attached to the roll holding mechanism 15 of the printing apparatus 1. The roll holding member 40 is fitted into the axial hole of the roll M2 and rotatably supports the roll M2 by being attached to the housing 30.

図６，図７を参照し、筐体３０の構造を説明する。なお、図５～図７に示す筐体３０は、ロール保持機構１５に装着されたときの姿勢で図示する。筐体３０は、上部が開口する略箱状に形成され、内側に種々の大きさのロールを収容可能である。筐体３０は、底壁部３１、左壁部３２、右壁部３３を備える。底壁部３１は、平面視前後方向に長い略矩形状に形成され、側面視中央部が下方に向けて略円弧状に湾曲する。 The structure of the housing 30 will be described with reference to FIGS. 6 and 7. Note that the casing 30 shown in FIGS. 5 to 7 is shown in a posture when it is attached to the roll holding mechanism 15. The housing 30 is formed in a substantially box shape with an open top, and can accommodate rolls of various sizes inside. The housing 30 includes a bottom wall 31, a left wall 32, and a right wall 33. The bottom wall portion 31 is formed in a substantially rectangular shape that is long in the front-rear direction in a plan view, and a central portion in a side view is curved downward into a substantially arc shape.

図７に示すように、左壁部３２は、底壁部３１の左端部から上方に向けて立設され、左側面視略ハート型に形成される。左壁部３２の下端部は円弧状に湾曲する。左壁部３２の上端部は、前後方向中央部を除き、前後方向に延びる略直線状に形成される。左壁部３２は、前方突出部３７、案内部３７１、被係止溝３５、テーパ部３５１、第一突起部３２１、第二突起部３２２、第三突起部３２３等を備える。前方突出部３７は、左壁部３２の前端部から前方に突出し、左側面視細長板状に形成される。案内部３７１は、前方突出部３７の上端部から右方に突出して設けられる。被係止溝３５は、左壁部３２の上端部の前後方向中央部から下方に延びる側面視縦長矩形状に形成される。被係止溝３５の下端部は、左壁部３２の上下方向略中央部に位置する。テーパ部３５１は、被係止溝３５の上部の前後両側部分に形成され、下方から上方にかけてテーパ状に拡開する。 As shown in FIG. 7, the left wall portion 32 is erected upward from the left end of the bottom wall portion 31, and is approximately heart-shaped when viewed from the left side. The lower end of the left wall portion 32 is curved in an arc shape. The upper end portion of the left wall portion 32 is formed into a substantially linear shape extending in the front-rear direction, except for the center portion in the front-rear direction. The left wall portion 32 includes a front protrusion 37, a guide portion 371, a locked groove 35, a tapered portion 351, a first protrusion 321, a second protrusion 322, a third protrusion 323, and the like. The front protrusion 37 protrudes forward from the front end of the left wall 32 and is formed into an elongated plate shape when viewed from the left side. The guide portion 371 is provided to protrude rightward from the upper end of the front protrusion 37 . The locked groove 35 is formed in a vertically elongated rectangular shape in side view, extending downward from the center of the upper end of the left wall portion 32 in the front-rear direction. The lower end of the locking groove 35 is located approximately at the center of the left wall portion 32 in the vertical direction. The tapered portion 351 is formed on both front and rear sides of the upper portion of the locked groove 35, and expands in a tapered shape from the bottom to the top.

第一突起部３２１、第二突起部３２２、第三突起部３２３は、左壁部３２の左側面（外面）に設けられる。第一突起部３２１は、左壁部３２の左側面の前端部の下部で、且つ前方突出部３７よりも後側に設けられる。第一突起部３２１は、左方に向けて略直方体状に突出する。第一突起部３２１の先端面には、更に左方に突出するピン３２１Ａが設けられる。第二突起部３２２は、左壁部３２の左側面の略中央部で、且つ被係止溝３５の下部よりも前側に設けられる。第二突起部３２２も左方に向けて略直方体状に突出する。第二突起部３２２の先端面にも、更に左方に突出するピン３２２Ａが設けられる。第三突起部３２３は、左壁部３２の左側面の前端部の下部で、且つ第一突起部３２１の後側に離隔して設けられる。第三突起部３２３も左方に向けて略直方体状に突出する。第一突起部３２１、第二突起部３２２、第三突起部３２３の夫々の左方への突出量は、略同一である。ピン３２１Ａの外径は、左保持部７の第一被係合穴１７４の内径よりも僅かに小さく、ピン３２２Ａの外径は、左保持部７の第二被係合穴１７５の短径よりも僅かに小さい。 The first protrusion 321 , the second protrusion 322 , and the third protrusion 323 are provided on the left side surface (outer surface) of the left wall portion 32 . The first protrusion 321 is provided at the lower part of the front end of the left side surface of the left wall 32 and on the rear side of the front protrusion 37 . The first protrusion 321 protrudes toward the left in a substantially rectangular parallelepiped shape. A pin 321A is provided on the distal end surface of the first protrusion 321 and further protrudes to the left. The second projection 322 is provided approximately in the center of the left side surface of the left wall 32 and in front of the lower part of the locking groove 35 . The second protrusion 322 also protrudes leftward in a substantially rectangular parallelepiped shape. A pin 322A that protrudes further to the left is also provided on the distal end surface of the second protrusion 322. The third protrusion 323 is provided at the lower part of the front end of the left side surface of the left wall 32 and spaced apart from the first protrusion 321 on the rear side. The third protrusion 323 also protrudes leftward in a substantially rectangular parallelepiped shape. The amount of leftward protrusion of each of the first protrusion 321, the second protrusion 322, and the third protrusion 323 is approximately the same. The outer diameter of the pin 321A is slightly smaller than the inner diameter of the first engaged hole 174 of the left holding part 7, and the outer diameter of the pin 322A is slightly smaller than the short diameter of the second engaged hole 175 of the left holding part 7. is also slightly smaller.

図６に示すように、右壁部３３は、底壁部３１の右端部から上方に向けて立設される。右壁部３３は、左壁部３２と略左右対称形状であり、右側面視略ハート型に形成される。右壁部３３は、左壁部３２と同様に、前方突出部３８、案内部３８１、軸支溝３６、テーパ部３６１、第一突起部３３１、第二突起部３３２、第三突起部３３３等を備える。前方突出部３８は、右壁部３３の前端部から前方に突出し、右側面視細長板状に形成される。案内部３８１は、前方突出部３８の上端部から左方に突出して設けられる。軸支溝３６は、右壁部３３の上端部の前後方向中央部から下方に延びる側面視縦長矩形状に形成される。その下部は、右壁部３３の上下方向略中央部に位置し、略円弧状に湾曲する。軸支溝３６の幅は、左壁部３２の被係止溝３５の幅よりもやや広い。テーパ部３６１は、軸支溝３６の上部の前後両側部分に形成され、下方から上方にかけてテーパ状に拡開する。第一突起部３３１の先端面には、更に右方に突出するピン３３１Ａが設けられる。第二突起部３３２の先端面にも、更に右方に突出するピン３３２Ａが設けられる。ピン３３１Ａの外径は、右保持部８の第一被係合穴（図示略）の内径よりも僅かに小さく、ピン３３２Ａの外径は、右保持部８の第二被係合穴（図示略）の短径よりも僅かに小さい。 As shown in FIG. 6, the right wall portion 33 is erected upward from the right end of the bottom wall portion 31. As shown in FIG. The right wall portion 33 has a substantially bilaterally symmetrical shape with the left wall portion 32, and is formed in a substantially heart shape when viewed from the right side. Like the left wall portion 32, the right wall portion 33 includes a front protrusion 38, a guide portion 381, a shaft support groove 36, a tapered portion 361, a first protrusion 331, a second protrusion 332, a third protrusion 333, etc. Equipped with The front protrusion 38 protrudes forward from the front end of the right wall 33 and is formed into an elongated plate shape when viewed from the right side. The guide portion 381 is provided to protrude leftward from the upper end of the front protrusion 38 . The shaft support groove 36 is formed in a vertically elongated rectangular shape in side view, extending downward from the center in the front-rear direction of the upper end of the right wall portion 33 . The lower portion thereof is located approximately in the vertical center of the right wall portion 33 and is curved in an approximately arc shape. The width of the shaft support groove 36 is slightly wider than the width of the locking groove 35 of the left wall portion 32. The tapered portion 361 is formed on both front and rear sides of the upper portion of the shaft support groove 36, and expands in a tapered shape from the bottom to the top. A pin 331A is provided on the distal end surface of the first protrusion 331 and further protrudes to the right. A pin 332A that protrudes further to the right is also provided on the distal end surface of the second protrusion 332. The outer diameter of the pin 331A is slightly smaller than the inner diameter of the first engaged hole (not shown) of the right holding part 8, and the outer diameter of the pin 332A is slightly smaller than the inner diameter of the second engaged hole (not shown) of the right holding part 8. ) is slightly smaller than the short axis of the

図１２～図１５を参照し、ロール保持部材４０の構造を説明する。図１２，図１３に示すロール保持部材４０は、後述の５つの部品を組み合わせて構成され、左右方向に延びる略円柱状に形成される複合体である。図１４，図１５に示すように、ロール保持部材４０は、右側から順に、保持軸４１、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材４５を備える。 The structure of the roll holding member 40 will be explained with reference to FIGS. 12 to 15. The roll holding member 40 shown in FIGS. 12 and 13 is a composite body formed by combining five parts described below and formed into a substantially columnar shape extending in the left-right direction. As shown in FIGS. 14 and 15, the roll holding member 40 includes, in order from the right side, a holding shaft 41, a torque limiter 42, an intermediate member 43, a torsion spring 44, and a flange member 45.

保持軸４１は樹脂材料で形成され、左右方向に延びる略円柱状に形成される。図１２～図１５に示すように、保持軸４１は、円筒部５０、４枚の外形リブ５１、円形フランジ５２、２枚の補強フランジ５３、左側支軸５４、右側支軸５６等を備える。円筒部５０は、左右方向に延び、左方に向かって開口する有底略円筒状に形成される。４枚の外形リブ５１は、左右方向に長い略矩形状の４枚の板で構成される。保持軸４１を軸方向から見たとき、４枚の外形リブ５１は、円筒部５０の外面から十字の方向に突出し、円筒部５０よりも右側に延びる部分においては互いに十字状に交差して連結する。円形フランジ５２は、４枚の外形リブ５１の右端部に直交して設けられ、右側面視円形状に形成される。 The holding shaft 41 is made of a resin material and has a substantially cylindrical shape extending in the left-right direction. As shown in FIGS. 12 to 15, the holding shaft 41 includes a cylindrical portion 50, four external ribs 51, a circular flange 52, two reinforcing flanges 53, a left support shaft 54, a right support shaft 56, and the like. The cylindrical portion 50 is formed into a substantially cylindrical shape with a bottom that extends in the left-right direction and opens toward the left. The four external ribs 51 are composed of four substantially rectangular plates that are long in the left-right direction. When the holding shaft 41 is viewed from the axial direction, the four external ribs 51 protrude from the outer surface of the cylindrical portion 50 in a cross direction, and in the portion extending to the right side of the cylindrical portion 50, the four external ribs 51 intersect and connect with each other in a cross shape. do. The circular flange 52 is provided perpendicularly to the right end portions of the four external ribs 51, and is formed in a circular shape when viewed from the right side.

２枚の補強フランジ５３は、軸方向から見て略円形状に形成され、円筒部５０の右端部近傍と、円筒部５０と円形フランジ５２の間の略中間位置において、４枚の外形リブ５１の夫々の間を閉塞するように設けられる。補強フランジ５３は、４枚の外形リブ５１を補強する。左側支軸５４は、円筒部５０の内側の底部５０１（図１４参照）の中央から軸心に沿って左方に突出する。左側支軸５４には、左端面から右方に延びる中心穴５４１が形成される。底部５０１には、スリット５０２が設けられる。スリット５０２は、左側支軸５４を中央に挟んで径方向両側に延びる長穴であり、左右方向に貫通する。右側支軸５６は、円形フランジ５２の中央から軸心方向に沿って右方に突出して設けられ、略円筒状に形成される。 The two reinforcing flanges 53 are formed into a substantially circular shape when viewed from the axial direction, and the four outer ribs 51 are located near the right end of the cylindrical portion 50 and at a substantially intermediate position between the cylindrical portion 50 and the circular flange 52. are provided so as to close the spaces between the two. The reinforcing flange 53 reinforces the four external ribs 51. The left support shaft 54 protrudes leftward from the center of the inner bottom portion 501 (see FIG. 14) of the cylindrical portion 50 along the axis. The left support shaft 54 has a center hole 541 extending rightward from the left end surface. A slit 502 is provided in the bottom portion 501 . The slit 502 is an elongated hole that extends on both sides in the radial direction with the left support shaft 54 in the center, and penetrates in the left-right direction. The right support shaft 56 is provided to protrude rightward from the center of the circular flange 52 along the axial direction, and is formed in a substantially cylindrical shape.

トルクリミッタ４２は、略リング状に形成され、円筒部５０の内側に挿入可能な大きさを有する。なお、トルクリミッタ４２は周知のものを採用できる。トルクリミッタ４２は、本体輪部４２１と従動輪部４２２を備える。本体輪部４２１は略リング状に形成される。本体輪部４２１の右端面には、一対の凸部４２５，４２６（図１５参照）が右方に突出して設けられる。一対の凸部４２５，４２６は、中央の穴を挟んで互いに対向する位置に設けられる。従動輪部４２２は、本体輪部４２１よりも径の小さい略リング状に形成され、本体輪部４２１の中央の穴の内側に挿入配置される。従動輪部４２２の左端部は、本体輪部４２１の左端側において左方に突出する（図１４参照）。従動輪部４２２の左端部には、一対の凹部４２７，４２８が設けられる。一対の凹部４２７，４２８は、中央の穴を挟んで互いに対向する位置に設けられる。 The torque limiter 42 is formed in a substantially ring shape and has a size that allows it to be inserted inside the cylindrical portion 50. Note that the torque limiter 42 can be a well-known one. The torque limiter 42 includes a main body ring portion 421 and a driven wheel portion 422. The main body ring portion 421 is formed in a substantially ring shape. A pair of protrusions 425 and 426 (see FIG. 15) are provided on the right end surface of the main body ring portion 421 so as to protrude to the right. The pair of protrusions 425 and 426 are provided at positions facing each other across the central hole. The driven ring portion 422 is formed into a substantially ring shape with a diameter smaller than that of the main body ring portion 421, and is inserted inside a hole at the center of the main body ring portion 421. The left end portion of the driven wheel portion 422 projects to the left on the left end side of the main body ring portion 421 (see FIG. 14). A pair of recesses 427 and 428 are provided at the left end of the driven wheel portion 422 . The pair of recesses 427 and 428 are provided at positions facing each other across the central hole.

トルクリミッタ４２において、例えば、本体輪部４２１に対して従動輪部４２２が回転するトルクが設定トルク以下のとき、従動輪部４２２の回転力は本体輪部４２１に伝達される。回転するトルクが設定トルクを超えたとき、従動輪部４２２は本体輪部４２１に対してスリップして回転力の伝達が遮断される。設定トルクは、本体輪部４２１に対して従動輪部４２２を回転するときの抵抗力となる。 In the torque limiter 42 , for example, when the rotation torque of the driven wheel portion 422 with respect to the main body ring portion 421 is equal to or less than a set torque, the rotational force of the driven wheel portion 422 is transmitted to the main body ring portion 421 . When the rotating torque exceeds the set torque, the driven wheel portion 422 slips with respect to the main body ring portion 421, and the transmission of rotational force is interrupted. The set torque becomes a resistance force when rotating the driven wheel part 422 with respect to the main body ring part 421.

中間部材４３は、本体筒部４３１、軸筒部４３３、円筒リブ４３４、一対の係合リブ４３５，４３６、バネ係止穴４３７、係合突起４３８を備える。本体筒部４３１は、左方に向けて開口する短軸円筒状に形成される。本体筒部４３１は略リング状の底部４３２を備える。軸筒部４３３は、本体筒部４３１の内側において底部４３２の中央の穴の内縁部から左方に延び、略円筒状に形成される。円筒リブ４３４（図１５参照）は、底部４３２の外面（右面）の外周縁から右方に向かって突出する。一対の係合リブ４３５，４３６は、円筒リブ４３４の内縁部における互いに対向する位置から軸筒部４３３側に向かって略直線状に延び、底部４３２の外面から右方に突出する。バネ係止穴４３７は、底部４３２における前側で且つ円筒リブ４３４の内縁部に重なる位置において左右方向に貫通して設けられる。係合突起４３８（図１４参照）は、底部４３２の内面で且つバネ係止穴４３７の左側面視時計回り方向側の近傍に設けられる。係合突起４３８は、左方に突出して設けられる。 The intermediate member 43 includes a main body cylindrical portion 431, a shaft cylindrical portion 433, a cylindrical rib 434, a pair of engagement ribs 435, 436, a spring locking hole 437, and an engagement protrusion 438. The main body cylindrical portion 431 is formed into a short-axis cylindrical shape that opens toward the left. The main body cylindrical portion 431 includes a substantially ring-shaped bottom portion 432 . The shaft cylinder part 433 extends leftward from the inner edge of the central hole of the bottom part 432 inside the main body cylinder part 431 and is formed in a substantially cylindrical shape. The cylindrical rib 434 (see FIG. 15) protrudes rightward from the outer peripheral edge of the outer surface (right surface) of the bottom portion 432. The pair of engagement ribs 435 and 436 extend substantially linearly from opposing positions on the inner edge of the cylindrical rib 434 toward the shaft cylindrical portion 433, and protrude rightward from the outer surface of the bottom portion 432. The spring locking hole 437 is provided at the front side of the bottom portion 432 and at a position overlapping the inner edge of the cylindrical rib 434 so as to penetrate in the left-right direction. The engagement protrusion 438 (see FIG. 14) is provided on the inner surface of the bottom portion 432 and near the spring locking hole 437 on the clockwise side when viewed from the left side. The engagement protrusion 438 is provided to protrude to the left.

トーションバネ４４はコイル状に形成され、一対の腕部４４１，４４２を備える。一対の腕部４４１，４４２は、トーションバネ４４の両端部である。腕部４４１の先端部は左方に屈曲され、腕部４４２の先端部は右方に屈曲される。トーションバネ４４は、一対の腕部４４１，４４２を周方向において互いに離隔する方向、即ちトーションバネ４４を巻込む方向に移動させると、一対の腕部４４１，４４２を互いに接近する方向、即ちトーションバネ４４を巻戻す方向に付勢する付勢力を生じる。トーションバネ４４の付勢力は、トルクリミッタ４２の設定トルクよりも弱い力となるように調整される。 The torsion spring 44 is formed into a coil shape and includes a pair of arm portions 441 and 442. The pair of arm portions 441 and 442 are both ends of the torsion spring 44. The tip of the arm 441 is bent to the left, and the tip of the arm 442 is bent to the right. When the torsion spring 44 moves the pair of arm portions 441 and 442 in a direction that separates them from each other in the circumferential direction, that is, in a direction that involves the torsion spring 44, the pair of arm portions 441 and 442 move toward each other, that is, the torsion spring moves. A biasing force is generated that biases 44 in the direction of rewinding. The biasing force of the torsion spring 44 is adjusted to be weaker than the set torque of the torque limiter 42.

フランジ部材４５は、円盤部４５１、矩形状部４５２、軸穴４５３、第一突起４５５、第二突起４５６、バネ係止穴４５７等を備える。円盤部４５１は左右方向に厚みを有する略円盤状に形成され、円筒部５０の内側に挿入可能な大きさを有する。矩形状部４５２（図１４参照）は、円盤部４５１の左面において径方向に延びる左側面視略矩形状に形成され、且つ左方に突出して設けられる。軸穴４５３は、円盤部４５１と矩形状部４５２の中心部を貫通して設けられる。第一突起４５５と第二突起４５６（図１５参照）は、円盤部４５１の右面において、互いに周方向に離隔する位置に夫々右方に突出して設けられる。第一突起４５５と第二突起４５６の軸穴４５３を中心とする離隔角度は、約１２０°である。バネ係止穴４５７は、第二突起４５６の右側面視時計回り方向側の近傍に設けられ、円盤部４５１を左右方向に貫通する。 The flange member 45 includes a disk portion 451, a rectangular portion 452, a shaft hole 453, a first protrusion 455, a second protrusion 456, a spring locking hole 457, and the like. The disk portion 451 is formed into a substantially disk shape with a thickness in the left-right direction, and has a size that allows it to be inserted into the inside of the cylindrical portion 50. The rectangular portion 452 (see FIG. 14) is formed in a substantially rectangular shape in a left side view extending in the radial direction on the left surface of the disk portion 451, and is provided so as to protrude leftward. The shaft hole 453 is provided to pass through the center of the disk portion 451 and the rectangular portion 452. The first protrusion 455 and the second protrusion 456 (see FIG. 15) are provided on the right surface of the disc portion 451 at positions spaced apart from each other in the circumferential direction and protrude to the right, respectively. The separation angle between the first protrusion 455 and the second protrusion 456 about the shaft hole 453 is about 120°. The spring locking hole 457 is provided near the second protrusion 456 on the clockwise side when viewed from the right side, and passes through the disk portion 451 in the left-right direction.

図１２～図１５を参照し、ロール保持部材４０の組立方法の一例を説明する。図１４，図１５に示すように、作業者は、保持軸４１の円筒部５０の内側に対し、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材４５を収納する。先ず、保持軸４１の円筒部５０の内側に、トルクリミッタ４２を挿入する。トルクリミッタ４２の従動輪部４２２の中央の軸穴に対し、円筒部５０の底部５０１から延びる左側支軸５４を挿入する。このとき、底部５０１のスリット５０２に対して、トルクリミッタ４２の本体輪部４２１の右端面に設けた一対の凸部４２５，４２６を係合させる。これにより、トルクリミッタ４２の本体輪部４２１は保持軸４１と一体化し、保持軸４１の円筒部５０に対する周方向への回転が制限される。 An example of a method for assembling the roll holding member 40 will be described with reference to FIGS. 12 to 15. As shown in FIGS. 14 and 15, the operator stores the torque limiter 42, intermediate member 43, torsion spring 44, and flange member 45 inside the cylindrical portion 50 of the holding shaft 41. First, the torque limiter 42 is inserted inside the cylindrical portion 50 of the holding shaft 41. The left support shaft 54 extending from the bottom 501 of the cylindrical portion 50 is inserted into the central shaft hole of the driven wheel portion 422 of the torque limiter 42 . At this time, a pair of convex portions 425 and 426 provided on the right end surface of the main body ring portion 421 of the torque limiter 42 are engaged with the slit 502 of the bottom portion 501. Thereby, the main body ring portion 421 of the torque limiter 42 is integrated with the holding shaft 41, and rotation of the holding shaft 41 in the circumferential direction with respect to the cylindrical portion 50 is restricted.

次いで、トルクリミッタ４２が挿入された円筒部５０の内側に対し、中間部材４３を挿入する。中間部材４３の軸筒部４３３の内側に対し、左側支軸５４を挿入する。これにより、中間部材４３は、左側支軸５４に回転可能に支持される。このとき、トルクリミッタ４２の従動輪部４２２の左端部に設けた一対の凹部４２７，４２８に対して、中間部材４３の底部４３２の外面（右面）に設けた一対の係合リブ４３５，４３６を係合させる。これにより、中間部材４３は従動輪部４２２と一体化する。 Next, the intermediate member 43 is inserted into the inside of the cylindrical portion 50 into which the torque limiter 42 has been inserted. The left support shaft 54 is inserted into the inside of the shaft cylinder portion 433 of the intermediate member 43. Thereby, the intermediate member 43 is rotatably supported by the left support shaft 54. At this time, a pair of engagement ribs 435 and 436 provided on the outer surface (right surface) of the bottom portion 432 of the intermediate member 43 are connected to a pair of recesses 427 and 428 provided on the left end portion of the driven wheel portion 422 of the torque limiter 42. engage. Thereby, the intermediate member 43 is integrated with the driven wheel portion 422.

次いで、中間部材４３が挿入された円筒部５０の内側に対し、トーションバネ４４を挿入する。トーションバネ４４の内側に対し、軸筒部４３３を挿入する。トーションバネ４４は、中間部材４３の本体筒部４３１の内側に収容される。このとき、トーションバネ４４の腕部４４２の先端部を、中間部材４３のバネ係止穴４３７に挿入する。 Next, the torsion spring 44 is inserted into the inside of the cylindrical portion 50 into which the intermediate member 43 has been inserted. The shaft cylinder portion 433 is inserted into the inside of the torsion spring 44. The torsion spring 44 is housed inside the main body cylindrical portion 431 of the intermediate member 43. At this time, the tip of the arm portion 442 of the torsion spring 44 is inserted into the spring locking hole 437 of the intermediate member 43.

次いで、トーションバネ４４が挿入された円筒部５０の内側に対し、フランジ部材４５を挿入する。フランジ部材４５の軸穴４５３に対し、左側支軸５４を挿入する。これにより、フランジ部材４５は、左側支軸５４に回転可能に支持される。トーションバネ４４の腕部４４１の先端部を、フランジ部材４５のバネ係止穴４５７に挿入する。これより、トーションバネ４４は、一対の腕部４４１，４４２が互いに離隔する方向に移動して付勢力を発生し、中間部材４３の係合突起４３８とフランジ部材の第二突起４５６を周方向に当接させる。 Next, the flange member 45 is inserted into the inside of the cylindrical portion 50 into which the torsion spring 44 has been inserted. The left support shaft 54 is inserted into the shaft hole 453 of the flange member 45. Thereby, the flange member 45 is rotatably supported by the left support shaft 54. The tip of the arm portion 441 of the torsion spring 44 is inserted into the spring locking hole 457 of the flange member 45. As a result, the torsion spring 44 moves the pair of arm portions 441 and 442 in a direction that separates them from each other and generates a biasing force, causing the engagement protrusion 438 of the intermediate member 43 and the second protrusion 456 of the flange member to move in the circumferential direction. bring it into contact.

このようにして、保持軸４１の円筒部５０の内側に、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材４５が収納される。なお、上記収納方法以外に、例えば、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材４５を先に組み合わせて一体化してから、円筒部５０の内側に挿入してもよく、収納する手順は変更可能である。最後に、作業者は、フランジ部材４５の軸穴４５３に挿入された左側支軸５４の中心穴５４１に、ワッシャ（図示略）を介してネジ（図示略）を締結する。これにより、左側支軸５４に対して、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材４５が抜けるのを防止できる。このようにして、ロール保持部材４０の組み立てが完了する。 In this way, the torque limiter 42, intermediate member 43, torsion spring 44, and flange member 45 are housed inside the cylindrical portion 50 of the holding shaft 41. In addition to the above storage method, for example, the torque limiter 42, intermediate member 43, torsion spring 44, and flange member 45 may be first combined and integrated, and then inserted inside the cylindrical portion 50. is changeable. Finally, the operator fastens a screw (not shown) to the center hole 541 of the left support shaft 54 inserted into the shaft hole 453 of the flange member 45 via a washer (not shown). Thereby, the torque limiter 42, the intermediate member 43, the torsion spring 44, and the flange member 45 can be prevented from coming off with respect to the left support shaft 54. In this way, assembly of the roll holding member 40 is completed.

作業者は、ロール保持部材４０を、ロールＭ２（図４参照）の軸心穴に内嵌する。保持軸４１の４枚の外形リブ５１の夫々の外端部は、軸心穴の内面に当接する。これにより、ロール保持部材４０の保持軸４１は、ロールＭ２の芯と一体化する。なお、ロール保持部材４０の保持軸４１は、ロールの軸心穴の内径の大きさに応じて、外形リブ５１の突出量を種々変えて複数用意するとよい。 The operator fits the roll holding member 40 into the axial hole of the roll M2 (see FIG. 4). The outer ends of each of the four external ribs 51 of the holding shaft 41 abut against the inner surface of the shaft center hole. Thereby, the holding shaft 41 of the roll holding member 40 is integrated with the core of the roll M2. Note that a plurality of holding shafts 41 of the roll holding member 40 may be prepared by varying the amount of protrusion of the external ribs 51 depending on the size of the inner diameter of the axial center hole of the roll.

図６～図１３を参照し、筐体３０に対するロール保持部材４０の取付方法の一例を説明する。なお、ロール保持部材４０は、ロールＭ２の軸心穴に内嵌してから、筐体３０に取り付ける。ロール保持部材４０の左端部においては、保持軸４１の円筒部５０から矩形状部４５２が左方に突出する（図１２参照）。ロール保持部材４０の右端部においては、右側支軸５６が右方に突出する（図１３参照）。ロール保持部材４０を筐体３０の上方から取り付ける。図１０に示すように、ユーザは、筐体３０の左壁部３２の被係止溝３５に対し、上方からロール保持部材４０のフランジ部材４５の矩形状部４５２を挿入する。矩形状部４５２は、被係止溝３５に対して略隙間なく嵌合する。矩形状部４５２が被係止溝３５に挿入されるとき、テーパ部３６１は、矩形状部４５２を被係止溝３５に案内する。これにより、矩形状部４５２は被係止溝３５に挿入され易い。他方、図９に示すように、ユーザは、筐体３０の右壁部３３の軸支溝３６に対し、上方からロール保持部材４０の右側支軸５６を挿入する。右側支軸５６は、軸支溝３６において回転可能に軸支される。ロール保持部材４０は、筐体３０の内側において回転可能に支持される（図１１参照）。これにより、筐体３０に対するロール保持部材４０の取り付けが完了する。 An example of a method for attaching the roll holding member 40 to the housing 30 will be described with reference to FIGS. 6 to 13. Note that the roll holding member 40 is attached to the housing 30 after being fitted into the axial center hole of the roll M2. At the left end of the roll holding member 40, a rectangular portion 452 projects leftward from the cylindrical portion 50 of the holding shaft 41 (see FIG. 12). At the right end of the roll holding member 40, a right support shaft 56 projects to the right (see FIG. 13). The roll holding member 40 is attached to the housing 30 from above. As shown in FIG. 10, the user inserts the rectangular portion 452 of the flange member 45 of the roll holding member 40 into the locking groove 35 of the left wall portion 32 of the housing 30 from above. The rectangular portion 452 fits into the locking groove 35 with almost no gap. When the rectangular portion 452 is inserted into the locked groove 35 , the tapered portion 361 guides the rectangular portion 452 into the locked groove 35 . Thereby, the rectangular portion 452 can be easily inserted into the locking groove 35. On the other hand, as shown in FIG. 9, the user inserts the right support shaft 56 of the roll holding member 40 into the shaft support groove 36 of the right wall portion 33 of the housing 30 from above. The right support shaft 56 is rotatably supported in the shaft support groove 36 . The roll holding member 40 is rotatably supported inside the housing 30 (see FIG. 11). This completes the attachment of the roll holding member 40 to the housing 30.

図３～図５を参照し、印刷装置１への筐体３０の装着方法の一例を説明する。ユーザは、収容部１１にロールＭ１を設置する場合と同様に、ロール保持機構１５（図３参照）を操作する。ユーザは、コイルバネ２８，２９の付勢力に抗して、左保持部７と右保持部８を互いに離隔する方向（左右方向外側）に移動する。ユーザは、左保持部７と右保持部８の間に、筐体３０を配置する（図５参照）。ユーザが左保持部７と右保持部８に対する操作を解除すると、左保持部７と右保持部８は、コイルバネ２８，２９の付勢力により、互いに接近する方向に移動する。 An example of how to attach the housing 30 to the printing apparatus 1 will be described with reference to FIGS. 3 to 5. The user operates the roll holding mechanism 15 (see FIG. 3) in the same way as when installing the roll M1 in the storage section 11. The user moves the left holding part 7 and the right holding part 8 in a direction separating them from each other (outside in the left-right direction) against the biasing force of the coil springs 28 and 29. The user places the housing 30 between the left holding part 7 and the right holding part 8 (see FIG. 5). When the user releases the operation on the left holding part 7 and the right holding part 8, the left holding part 7 and the right holding part 8 move toward each other due to the biasing forces of the coil springs 28 and 29.

このとき、左保持部７の第一被係合穴１７４に対して、筐体３０の左壁部３２に設けた第一突起部３２１のピン３２１Ａ（図７参照）が係合する。左保持部７の第二被係合穴１７５に対して、筐体３０の左壁部３２に設けた第二突起部３２２のピン３２２Ａ（図７参照）が係合する。また、筐体３０の左壁部３２に設けた第三突起部３２３（図７参照）は、左保持部７の対向面１７に当接する。左保持部７の扇状部１７２は、筐体３０の左壁部３２の外面に当接する。 At this time, the pin 321A (see FIG. 7) of the first protrusion 321 provided on the left wall portion 32 of the housing 30 engages with the first engaged hole 174 of the left holding portion 7. The pin 322A (see FIG. 7) of the second protrusion 322 provided on the left wall 32 of the housing 30 engages with the second engaged hole 175 of the left holding portion 7. Further, the third protrusion 323 (see FIG. 7) provided on the left wall portion 32 of the housing 30 comes into contact with the facing surface 17 of the left holding portion 7. The fan-shaped portion 172 of the left holding portion 7 contacts the outer surface of the left wall portion 32 of the housing 30.

他方、右保持部８の第一被係合穴（図示略）に対して、筐体３０の右壁部３３に設けた第一突起部３３１のピン３３１Ａ（図６参照）が係合する。右保持部８の第二被係合穴（図示略）に対して、筐体３０の右壁部３３に設けた第二突起部３３２のピン３３２Ａ（図６参照）が係合する。また、筐体３０の右壁部３３に設けた第三突起部３３３（図６参照）は、右保持部８の対向面１８に当接する。右保持部８の扇状部１８２は、筐体３０の右壁部３３の外面に当接する。 On the other hand, the pin 331A (see FIG. 6) of the first projection 331 provided on the right wall 33 of the housing 30 engages with the first engaged hole (not shown) of the right holding portion 8. A pin 332A (see FIG. 6) of a second projection 332 provided on the right wall 33 of the housing 30 engages with a second engagement hole (not shown) of the right holding portion 8. Further, the third protrusion 333 (see FIG. 6) provided on the right wall 33 of the housing 30 comes into contact with the facing surface 18 of the right holding section 8. The fan-shaped portion 182 of the right holding portion 8 contacts the outer surface of the right wall portion 33 of the housing 30.

このようにして、筐体３０は、左壁部３２の外面に設けた第一突起部３２１のピン３２１Ａ及び第二突起部３２２のピン３２２Ａにより、左保持部７の第一被係合穴１７４及び第二被係合穴１７５に対して位置決めされ、右壁部３３の外面に設けた第一突起部３３１のピン３３１Ａ及び第二突起部３３２のピン３３２Ａにより、右保持部８の第一被係合穴（図示略）及び第二被係合穴（図示略）に対して位置決めされる。筐体３０は、左保持部７と右保持部８に対して位置決めされた状態で、コイルバネ２８，２９の付勢力により、左保持部７と右保持部８の間に挟持される。これにより、筐体３０は、左保持部７と右保持部８の間において位置ずれすることなく確実に装着される。最後に、ユーザは、ロール保持部材４０に保持されたロールＭ２からライナーレステープを前方に引き出し、筐体３０の左壁部３２の案内部３８１の下側と、筐体３０の右壁部３３の案内部３７１の下側とに通す。これにより、筐体３０は、ライナーレステープの浮き上がりを防止できる。 In this way, the housing 30 is connected to the first engaged hole 174 of the left holding part 7 by the pin 321A of the first protrusion 321 and the pin 322A of the second protrusion 322 provided on the outer surface of the left wall part 32. The first cover of the right holding part 8 is positioned with respect to the second engaged hole 175 and is positioned by the pin 331A of the first protrusion 331 and the pin 332A of the second protrusion 332 provided on the outer surface of the right wall part 33. It is positioned relative to an engaging hole (not shown) and a second engaged hole (not shown). The housing 30 is held between the left holding part 7 and the right holding part 8 by the urging force of the coil springs 28 and 29 while being positioned with respect to the left holding part 7 and the right holding part 8 . Thereby, the housing 30 is reliably mounted between the left holding part 7 and the right holding part 8 without being displaced. Finally, the user pulls the linerless tape forward from the roll M2 held by the roll holding member 40, and touches the lower side of the guide part 381 of the left wall part 32 of the housing 30 and the right wall part 33 of the housing 30. It passes through the lower side of the guide part 371. Thereby, the housing 30 can prevent the linerless tape from lifting up.

なお、筐体３０がロール保持機構１５に装着されたとき、筐体３０の底壁部３１の下面と、印刷装置１の本体カバー１０の上面との間には、微小の隙間が設けられる。これにより、筐体３０は、形状寸法に誤差があっても、本体カバー１０に接触することなく、ロール保持機構１５に確実に装着される。 Note that when the housing 30 is attached to the roll holding mechanism 15, a small gap is provided between the lower surface of the bottom wall portion 31 of the housing 30 and the upper surface of the main body cover 10 of the printing apparatus 1. Thereby, even if there is an error in the shape and dimensions, the housing 30 is reliably attached to the roll holding mechanism 15 without coming into contact with the main body cover 10.

図４，図１２～図１５を参照し、ロールＭ２の印刷時におけるロール保持部材４０の回転動作を説明する。図４に示すように、ロール保持部材４０が筐体３０に取り付けられた状態において、ロール保持部材４０の右端側においては、保持軸４１の右側支軸５６が、右壁部３３の軸支溝３６において回転可能に軸支される（図９参照）。ロール保持部材４０の左端側においては、フランジ部材４５の矩形状部４５２が筐体３０の左壁部３２の被係止溝３５に嵌合する（図１０参照）。よって、矩形状部４５２は、左側支軸５４を中心とする周方向において、被係止溝３５に係止した状態となるので、フランジ部材４５の位置は固定される。即ち、フランジ部材４５は、周方向には回転しない。位置が固定されたフランジ部材４５に対して、左側支軸５４（図１４参照）が回転可能に支持される。これにより、保持軸４１は筐体３０に対して回転可能となるので、保持軸４１に保持されたロールＭ２も一体して回転可能となる。 The rotational operation of the roll holding member 40 during printing on the roll M2 will be described with reference to FIGS. 4 and 12 to 15. As shown in FIG. 4, when the roll holding member 40 is attached to the housing 30, the right support shaft 56 of the holding shaft 41 is inserted into the support groove of the right wall 33 on the right end side of the roll holding member 40. 36 (see FIG. 9). On the left end side of the roll holding member 40, the rectangular portion 452 of the flange member 45 fits into the locking groove 35 of the left wall portion 32 of the housing 30 (see FIG. 10). Therefore, the rectangular portion 452 is locked in the locking groove 35 in the circumferential direction around the left support shaft 54, so the position of the flange member 45 is fixed. That is, the flange member 45 does not rotate in the circumferential direction. A left support shaft 54 (see FIG. 14) is rotatably supported by the flange member 45 whose position is fixed. Thereby, the holding shaft 41 becomes rotatable with respect to the housing 30, so that the roll M2 held by the holding shaft 41 also becomes rotatable together.

印刷装置１の印刷動作が開始すると、プラテンローラ１３は、搬送モータ（図示略）の駆動により回転する。ロールＭ２からライナーレステープが前方に引き出されて搬送される（図４参照）。ライナーレステープが前方に引き出されることにより、保持軸４１は左側面視時計回りに回転し始める（図１２，図１３中Ｐ方向参照）。これに伴い、図１４に示すトルクリミッタ４２及び中間部材４３も保持軸４１と一体して回転する。中間部材４３の回転により、中間部材４３に係止するトーションバネ４４の腕部４４２も同一方向に回転するが、腕部４４１が係止するフランジ部材４５は回転しない。これにより、トーションバネ４４は、巻込む方向に撓み、中間部材４３に対して、トルクリミッタ４２の設定トルクよりも弱い力を、保持軸４１の回転方向とは反対方向に付勢する。 When the printing operation of the printing device 1 starts, the platen roller 13 is rotated by the drive of a conveyance motor (not shown). The linerless tape is pulled forward from the roll M2 and conveyed (see FIG. 4). As the linerless tape is pulled forward, the holding shaft 41 begins to rotate clockwise in left side view (see direction P in FIGS. 12 and 13). Accordingly, the torque limiter 42 and intermediate member 43 shown in FIG. 14 also rotate together with the holding shaft 41. As the intermediate member 43 rotates, the arm portion 442 of the torsion spring 44 that is engaged with the intermediate member 43 also rotates in the same direction, but the flange member 45 that is engaged with the arm portion 441 does not rotate. As a result, the torsion spring 44 is bent in the winding direction, and applies a force weaker than the set torque of the torque limiter 42 to the intermediate member 43 in a direction opposite to the rotational direction of the holding shaft 41.

印刷動作開始時、中間部材４３の係合突起４３８（図１４参照）は、フランジ部材４５の第二突起４５６（図１５参照）に当接する位置にある。フランジ部材４５に対して、保持軸４１と共に中間部材４３が左側面視時計回りに回転すると、係合突起４３８は左側支軸５４を中心に同一方向に回転する。これより、係合突起４３８は、フランジ部材４５の第一突起４５５に当接するまで回転する。よって、トーションバネ４４は、巻込む方向に撓むので、中間部材４３に対して、保持軸４１の回転方向とは反対方向に付勢する状態となる。 At the start of the printing operation, the engagement protrusion 438 (see FIG. 14) of the intermediate member 43 is in a position where it comes into contact with the second protrusion 456 (see FIG. 15) of the flange member 45. When the intermediate member 43 rotates together with the holding shaft 41 clockwise in the left side view with respect to the flange member 45, the engagement protrusion 438 rotates in the same direction about the left support shaft 54. From this, the engagement protrusion 438 rotates until it comes into contact with the first protrusion 455 of the flange member 45. Therefore, since the torsion spring 44 is bent in the winding direction, it is in a state where it biases the intermediate member 43 in a direction opposite to the rotational direction of the holding shaft 41.

係合突起４３８が第一突起４５５に当接すると、中間部材４３とフランジ部材４５は一体化する。ここで、保持軸４１は回転し続けるが、中間部材４３は回転しないので、トルクリミッタ４２に対して設定トルクを超えるトルクがかかる。このとき、中間部材４３に係合するトルクリミッタ４２の従動輪部４２２に対して、保持軸４１に係合する本体輪部４２１が滑り出す。これにより、ロールＭ２からライナーレステープが前方に引き出される間、ロール保持部材４０は、トルクリミッタ４２の設定トルクにより、ライナーレステープに対して一定のテンションを付与できる。これにより、ロールＭ２の外径（ライナーレステープの巻き長さ）によって、ライナーレステープを引き出すときの力がばらつかないので、アタッチメント１００は、ライナーテープの搬送精度を安定化できる。 When the engagement protrusion 438 comes into contact with the first protrusion 455, the intermediate member 43 and the flange member 45 are integrated. Here, the holding shaft 41 continues to rotate, but since the intermediate member 43 does not rotate, a torque exceeding the set torque is applied to the torque limiter 42. At this time, the main body ring portion 421 that engages with the holding shaft 41 begins to slide with respect to the driven wheel portion 422 of the torque limiter 42 that engages with the intermediate member 43 . Thereby, while the linerless tape is drawn out forward from the roll M2, the roll holding member 40 can apply a constant tension to the linerless tape using the set torque of the torque limiter 42. As a result, the force when pulling out the linerless tape does not vary depending on the outer diameter of the roll M2 (the winding length of the linerless tape), so the attachment 100 can stabilize the conveyance accuracy of the liner tape.

印刷動作実行後、印刷装置１は、サーマルヘッド１４と切断部との間の距離分の先頭余白を削減する為、次の印刷前にライナーレステープを逆転させる。このとき、トルクリミッタ４２により付与されていたテンションが解放されるので、トーションバネ４４の付勢力により、中間部材４３の係合突起４３８が、フランジ部材４５の第一突起４５５に当接した位置から、第二突起４５６に当接する位置まで回転する。即ち、トーションバネ４４の付勢力により、中間部材４３が逆転するので、トルクリミッタ４２及び保持軸４１も逆転する。保持軸４１が逆転することで、ライナーレステープを巻き取ることができる。これにより、ライナーレステープに弛みが発生しないので、印刷装置１は、次の印刷動作を良好に行うことができる。 After executing the printing operation, the printing apparatus 1 reverses the linerless tape before the next printing in order to reduce the leading margin by the distance between the thermal head 14 and the cutting section. At this time, the tension applied by the torque limiter 42 is released, so the urging force of the torsion spring 44 moves the engagement protrusion 438 of the intermediate member 43 from the position where it abuts the first protrusion 455 of the flange member 45. , rotates to a position where it abuts the second protrusion 456. That is, because the intermediate member 43 is reversely rotated by the biasing force of the torsion spring 44, the torque limiter 42 and the holding shaft 41 are also reversely rotated. By reversing the holding shaft 41, the linerless tape can be wound up. As a result, the linerless tape does not slacken, so that the printing apparatus 1 can perform the next printing operation favorably.

上記説明にて、図３に示すロール保持機構１５の左保持部７、右保持部８は、本発明の「保持部」の一例である。左保持部７に設けた第一被係合穴１７４、第二被係合穴１７５、右保持部８に設けた第一被係合穴、第二被係合穴は、本発明の「被係合部」の一例である。筐体３０の左壁部３２に設けた第一突起部３２１のピン３２１Ａ、第二突起部３２２のピン３２２Ａ、右壁部３３に設けた第一突起部３３１のピン３３１Ａ、第二突起部３３２のピン３３２Ａは、本発明の「係合部」の一例である。筐体３０の左壁部３２に設けた被係止溝３５、右壁部３３に設けた軸支溝３６は、本発明の「支持部」の一例である。被係止溝３５は、本発明の「被係止部」の一例である。筐体３０の左壁部３２と右壁部３３は、本発明の「側壁部」の一例である。ロール保持部材４０において、左側支軸５４は本発明の「第一支軸」の一例である。フランジ部材４５は本発明の「回転係止部材」の一例である。右側支軸５６は本発明の「第二支軸」の一例である。トルクリミッタ４２は本発明の「抵抗付与部」の一例である。トーションバネ４４は本発明の「付勢部材」の一例である。 In the above description, the left holding part 7 and the right holding part 8 of the roll holding mechanism 15 shown in FIG. 3 are examples of the "holding part" of the present invention. The first engaged hole 174 and the second engaged hole 175 provided in the left holding part 7, and the first engaged hole and second engaged hole provided in the right holding part 8 are the "engaged hole" of the present invention. This is an example of the “engaging portion”. Pin 321A of the first protrusion 321 provided on the left wall 32 of the housing 30, pin 322A of the second protrusion 322, pin 331A of the first protrusion 331 provided on the right wall 33, second protrusion 332 The pin 332A is an example of the "engaging portion" of the present invention. The locking groove 35 provided in the left wall portion 32 of the housing 30 and the shaft support groove 36 provided in the right wall portion 33 are examples of the “support portion” of the present invention. The locked groove 35 is an example of the “locked portion” of the present invention. The left wall portion 32 and right wall portion 33 of the housing 30 are an example of the “side wall portion” of the present invention. In the roll holding member 40, the left support shaft 54 is an example of the "first support shaft" of the present invention. The flange member 45 is an example of the "rotation locking member" of the present invention. The right support shaft 56 is an example of the "second support shaft" of the present invention. The torque limiter 42 is an example of the "resistance applying section" of the present invention. The torsion spring 44 is an example of the "biasing member" of the present invention.

以上説明したように、第一実施形態のアタッチメント１００は、印刷装置１の収容部１１に着脱可能に装着し、印刷媒体を巻回するロールを支持する。アタッチメント１００は、筐体３０とロール保持部材４０を備える。筐体３０は、上部が開口する略箱状をなし、ロールを交換可能に内側に収容する。ロール保持部材４０は、ロールの軸心穴に内嵌された状態で、筐体３０に取り付ける。筐体３０は、左保持部７に設けた被係止溝３５と、右保持部８に設けた軸支溝３６とにより、ロールの軸心穴に内嵌されたロール保持部材４０を回転可能に支持する。 As described above, the attachment 100 of the first embodiment is removably attached to the storage unit 11 of the printing device 1 and supports the roll around which the print medium is wound. The attachment 100 includes a housing 30 and a roll holding member 40. The housing 30 has a substantially box-like shape with an open top, and accommodates the rolls therein in a replaceable manner. The roll holding member 40 is attached to the housing 30 while being fitted into the axial center hole of the roll. The casing 30 can rotate the roll holding member 40 fitted into the axial center hole of the roll by the locked groove 35 provided in the left holding part 7 and the shaft support groove 36 provided in the right holding part 8. support.

筐体３０の左壁部３２の外面には、第一突起部３２１と第二突起部３２２が設けられ、右壁部３３の外面にも、第一突起部３３１と第二突起部３３２が設けられる。印刷装置１の収容部１１には、ロール保持機構１５が設けられる。ロール保持機構１５は、左保持部７と右保持部８を備える。左保持部７には、第一被係合穴１７４と第二被係合穴１７５が設けられ、右保持部８にも第一被係合穴と第二被係合穴が設けられる。 A first protrusion 321 and a second protrusion 322 are provided on the outer surface of the left wall 32 of the housing 30, and a first protrusion 331 and a second protrusion 332 are also provided on the outer surface of the right wall 33. It will be done. A roll holding mechanism 15 is provided in the storage section 11 of the printing device 1 . The roll holding mechanism 15 includes a left holding part 7 and a right holding part 8. The left holding portion 7 is provided with a first engaged hole 174 and a second engaged hole 175, and the right holding portion 8 is also provided with a first engaged hole and a second engaged hole.

左保持部７と右保持部８の間に筐体３０を配置する。このとき、左壁部３２の第一突起部３２１のピン３２１Ａを、左保持部７の第一被係合穴１７４に係合させ、左壁部３２の第二突起部３２２のピン３２２Ａを、左保持部７の第二被係合穴１７５に係合させる。右壁部３３においても同様に、右壁部３３の第一突起部３３１のピン３３１Ａを、右保持部８の第一被係合穴に係合させ、右壁部３３の第二突起部３３２のピン３３２Ａを、右保持部８の第二被係合穴に係合させる。これにより、収容部１１において筐体３０が所定値に位置決めされる。従って、印刷装置１の収容部１１にロールを直接装着できない場合であっても、筐体３０を印刷装置１の収容部１１に装着することで、ロールを収容部１１に装着できる。収容部１１において筐体３０が所定位置に位置決めされるので、印刷装置１は、ロールから引き出されるテープに対して位置ずれすることなく、良好に印刷できる。 A housing 30 is placed between the left holding part 7 and the right holding part 8. At this time, the pin 321A of the first protrusion 321 of the left wall part 32 is engaged with the first engaged hole 174 of the left holding part 7, and the pin 322A of the second protrusion 322 of the left wall part 32 is engaged with the first engaged hole 174 of the left holding part 7. It is engaged with the second engaged hole 175 of the left holding part 7. Similarly, in the right wall portion 33, the pin 331A of the first protrusion 331 of the right wall portion 33 is engaged with the first engaged hole of the right holding portion 8, and the second protrusion 332 of the right wall portion 33 is engaged with the first engaged hole of the right holding portion 8. The pin 332A is engaged with the second engaged hole of the right holding portion 8. As a result, the housing 30 is positioned at a predetermined value in the housing portion 11. Therefore, even if the roll cannot be directly mounted on the storage section 11 of the printing apparatus 1, the roll can be mounted on the storage section 11 by mounting the housing 30 on the storage section 11 of the printing apparatus 1. Since the housing 30 is positioned at a predetermined position in the storage section 11, the printing apparatus 1 can print well without being misaligned with respect to the tape pulled out from the roll.

図１６～図２３を参照し、本発明の第二実施形態を説明する。図１６に示す第二実施形態のアタッチメント２００は、第一実施形態のアタッチメント１００の変形例である。アタッチメント２００は、筐体６０とロール保持部材７０を備える。ユーザは、アタッチメント２００を使用して、ロール保持機構１５に直接的に装着できないロールを装着することができる。また、ロールＭ２を印刷装置１のロール保持機構１５に装着することにより、第一実施形態と同様に、ライナーレステープの逆転時における弛みの発生を防止できる。 A second embodiment of the present invention will be described with reference to FIGS. 16 to 23. The attachment 200 of the second embodiment shown in FIG. 16 is a modification of the attachment 100 of the first embodiment. The attachment 200 includes a housing 60 and a roll holding member 70. A user can use the attachment 200 to attach a roll that cannot be attached directly to the roll holding mechanism 15. Furthermore, by attaching the roll M2 to the roll holding mechanism 15 of the printing apparatus 1, it is possible to prevent the linerless tape from becoming loose when it is reversed, similarly to the first embodiment.

図１７を参照し、筐体６０の構造を説明する。なお、図１７に示す筐体６０は、ロール保持機構１５に装着されたときの姿勢で図示する。筐体６０は、第一実施形態の筐体３０と同様に、上部が開口する略箱状に形成され、内側に種々の大きさのロールを収容可能である。筐体６０は、底壁部６１、左壁部６２、右壁部６３を備える。底壁部６１は、平面視前後方向に長い略矩形状に形成され、側面視中央部が下方に向けて略円弧状に湾曲する。 The structure of the housing 60 will be described with reference to FIG. 17. Note that the casing 60 shown in FIG. 17 is shown in a posture when it is attached to the roll holding mechanism 15. Like the case 30 of the first embodiment, the case 60 is formed in a substantially box shape with an open top, and can accommodate rolls of various sizes inside. The housing 60 includes a bottom wall 61, a left wall 62, and a right wall 63. The bottom wall portion 61 is formed in a substantially rectangular shape that is long in the front-rear direction in a plan view, and a central portion thereof in a side view is curved downward into a substantially arc shape.

左壁部６２は、底壁部６１の左端部から上方に向けて立設され、左側面視略ハート型に形成される。左壁部６２の下端部は円弧状に湾曲する。左壁部６２の上端部は、前後方向中央部を除き、前後方向に延びる略直線状に形成される。左壁部６２は、前方突出部６７、案内部６７１、溝６５、軸支板部６６、第一突起部（図示略）、第二突起部（図示略）、第三突起部（図示略）等を備える。前方突出部６７は、左壁部６２の前端部から前方に突出し、左側面視細長板状に形成される。案内部６７１は、前方突出部６７の上端部から右方に突出して設けられる。溝６５は、左壁部６２の上端部の前後方向中央部から下方に延びる側面視縦長矩形状であり、その下端部は円弧状に湾曲する。軸支板部６６は、溝６５の下側の内縁部の厚みにおける左端側に沿って設けられ、左側面視略Ｕ字状に形成される。軸支板部６６の内周部には、左側面視略Ｕ字状の軸支溝部６６１が形成される。溝６５の下端部の内縁部における厚みにおいて、軸支板部６６を除く右側部分には、ギア形状を備える被係止部６５１が設けられる。第一突起部、第二突起部、第三突起部は、左壁部６２の左側面（外面）において、第一実施形態の左壁部３２に設けられる第一突起部３２１、第二突起部３２２、第三突起部３２３（図７参照）と同一位置に設けられ、左方に突出する。 The left wall portion 62 is erected upward from the left end portion of the bottom wall portion 61 and is formed in a substantially heart shape when viewed from the left side. The lower end of the left wall portion 62 is curved in an arc shape. The upper end portion of the left wall portion 62 is formed into a substantially linear shape extending in the front-rear direction, except for the center portion in the front-rear direction. The left wall portion 62 includes a front protrusion 67, a guide portion 671, a groove 65, a shaft support plate portion 66, a first protrusion (not shown), a second protrusion (not shown), and a third protrusion (not shown). Equipped with etc. The front protrusion 67 protrudes forward from the front end of the left wall 62 and is formed into an elongated plate shape when viewed from the left side. The guide portion 671 is provided to protrude rightward from the upper end of the front protrusion 67 . The groove 65 has a vertically elongated rectangular shape in side view extending downward from the center in the front-rear direction of the upper end of the left wall portion 62, and its lower end is curved in an arc shape. The shaft support plate portion 66 is provided along the left end side in the thickness of the lower inner edge portion of the groove 65, and is formed into a substantially U-shape when viewed from the left side. A shaft support groove portion 661 having a substantially U-shape when viewed from the left side is formed in the inner peripheral portion of the shaft support plate portion 66 . In the thickness of the inner edge of the lower end of the groove 65, a gear-shaped locked portion 651 is provided on the right side excluding the shaft support plate 66. The first protrusion, the second protrusion, and the third protrusion are the first protrusion 321 and the second protrusion provided on the left wall 32 of the first embodiment on the left side surface (outer surface) of the left wall 62. 322, is provided at the same position as the third protrusion 323 (see FIG. 7), and protrudes to the left.

右壁部６３は、底壁部６１の右端部から上方に向けて立設される。右壁部６３は、左壁部６２と略左右対称形状であり、右側面視略ハート型に形成される。右壁部６３も、左壁部６２と同様に、前方突出部６８、案内部６８１、軸支溝６９、幅広部６９１、第一突起部６３１、第二突起部６３２、第三突起部６３３等を備える。前方突出部６８は、右壁部６３の前端部から前方に突出し、右側面視細長板状に形成される。案内部６８１は、前方突出部６８の上端部から左方に突出して設けられる。軸支溝６９は、右壁部６３の上端部の前後方向中央部から下方に延びる側面視縦長矩形状に形成される。軸支溝６９の下部は、右壁部６３の上下方向略中央部に位置し、略円弧状に湾曲する。軸支溝６９の幅は、左壁部３２の軸支溝部６６１の幅と略同一である。幅広部６９１は、軸支溝６９の上側に設けられ、軸支溝６９よりも幅広に形成される。 The right wall portion 63 is erected upward from the right end of the bottom wall portion 61 . The right wall portion 63 has a substantially bilaterally symmetrical shape with the left wall portion 62, and is formed in a substantially heart shape when viewed from the right side. Similarly to the left wall portion 62, the right wall portion 63 also includes a front protrusion 68, a guide portion 681, a shaft support groove 69, a wide portion 691, a first protrusion 631, a second protrusion 632, a third protrusion 633, etc. Equipped with The front protrusion 68 protrudes forward from the front end of the right wall 63 and is formed into an elongated plate shape when viewed from the right side. The guide portion 681 is provided to protrude leftward from the upper end of the front protrusion 68 . The shaft support groove 69 is formed in a vertically elongated rectangular shape in side view, extending downward from the center in the front-rear direction of the upper end of the right wall portion 63 . The lower part of the shaft support groove 69 is located approximately at the vertical center of the right wall portion 63 and is curved in a generally arc shape. The width of the shaft support groove 69 is approximately the same as the width of the shaft support groove 661 of the left wall portion 32. The wide portion 691 is provided above the shaft support groove 69 and is formed wider than the shaft support groove 69 .

第一突起部６３１、第二突起部６３２、第三突起部６３３は、右壁部３３の右側面（外面）において、第一実施形態の右壁部３３に設けられる第一突起部３３１、第二突起部３３２、第三突起部３３３（図６参照）と同一位置に設けられ、右方に向けて略円柱状に突出する。第一突起部６３１の先端面には、更に右方に突出するピン６３１Ａが設けられる。第二突起部６３２の先端面にも、更に右方に突出するピン６３２Ａが設けられる。なお、上述の左壁部６２に設けられる第一突起部、第二突起部、第三突起部は、右壁部６３に設けられる第一突起部６３１、第二突起部６３２、第三突起部６３３と左右対称形状である。 The first protrusion 631 , the second protrusion 632 , and the third protrusion 633 are located on the right side (outer surface) of the right wall 33 and are arranged on the right wall 33 of the first embodiment. It is provided at the same position as the second protrusion 332 and the third protrusion 333 (see FIG. 6), and protrudes toward the right in a substantially cylindrical shape. A pin 631A that further protrudes to the right is provided on the distal end surface of the first protrusion 631. A pin 632A that protrudes further to the right is also provided on the distal end surface of the second protrusion 632. Note that the first protrusion, second protrusion, and third protrusion provided on the left wall portion 62 described above are the same as the first protrusion 631, second protrusion 632, and third protrusion provided on the right wall portion 63. 633 and a bilaterally symmetrical shape.

図１８～図２３を参照し、ロール保持部材７０の構造を説明する。図１８，図１９に示すロール保持部材７０は、後述する複数部品を組み合わせて構成され、左右方向に延びる略円柱状に形成される複合体である。図２０，図２１に示すように、ロール保持部材４０は、右側から順に、保持軸７１、回転ユニット７２、支軸７３を備える。回転ユニット７２は、後述の５つの部品を組み合わせて構成される。 The structure of the roll holding member 70 will be explained with reference to FIGS. 18 to 23. The roll holding member 70 shown in FIGS. 18 and 19 is a composite body formed by combining a plurality of parts described later and formed into a substantially cylindrical shape extending in the left-right direction. As shown in FIGS. 20 and 21, the roll holding member 40 includes, in order from the right side, a holding shaft 71, a rotation unit 72, and a support shaft 73. The rotation unit 72 is constructed by combining five parts described below.

図２０，図２１に示すように、保持軸７１は樹脂材料で形成され、円筒部７１０、４本の外形リブ７１１、４つの被係止歯部７１５（図２０では２つのみ図示）、右側支軸７１６等を備える。円筒部７１０は左右方向に延び、左方に向けて開口する有底略円筒状に形成される。４本の外形リブ７１１は、円筒部７１０の外周面において、周方向に等間隔を空けた４つの位置から径方向外側に突出し、且つ円筒部７１０の長さ方向に対して平行に延びる。４つの被係止歯部７１５は、円筒部７１０の内周面において、周方向に等間隔を空けた４つの位置に設けられ、ギア形状を有する。右側支軸７１６（図２１参照）は、円筒部７１０の右側に設けた底壁部７１７の外面中央部から右方に突出して設けられ、円筒部７１０よりも小径の短軸略円筒状をなす。右側支軸７１６は、左右方向に延びて円筒部７１０の内側と連通する中心孔７１８が形成される。 As shown in FIGS. 20 and 21, the holding shaft 71 is made of a resin material, and includes a cylindrical portion 710, four external ribs 711, four locked tooth portions 715 (only two are shown in FIG. 20), and a right side It includes a support shaft 716 and the like. The cylindrical portion 710 is formed into a substantially cylindrical shape with a bottom that extends in the left-right direction and opens toward the left. The four external ribs 711 protrude radially outward from four positions equally spaced in the circumferential direction on the outer circumferential surface of the cylindrical portion 710 and extend parallel to the length direction of the cylindrical portion 710. The four locked tooth parts 715 are provided at four positions equally spaced in the circumferential direction on the inner peripheral surface of the cylindrical part 710, and have a gear shape. The right support shaft 716 (see FIG. 21) is provided to protrude to the right from the center of the outer surface of the bottom wall 717 provided on the right side of the cylindrical portion 710, and has a substantially cylindrical shape with a short axis smaller in diameter than the cylindrical portion 710. . The right support shaft 716 is formed with a center hole 718 that extends in the left-right direction and communicates with the inside of the cylindrical portion 710 .

図２２，図２３を参照し、回転ユニット７２の構造を説明する。回転ユニット７２は、右側から順に、固定筒部８１、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材８５等を備える。なお、トルクリミッタ４２、中間部材４３、トーションバネ４４は、上記第一実施形態と同一部品なので説明を省略する。 The structure of the rotation unit 72 will be explained with reference to FIGS. 22 and 23. The rotation unit 72 includes, in order from the right side, a fixed cylinder portion 81, a torque limiter 42, an intermediate member 43, a torsion spring 44, a flange member 85, and the like. Note that the torque limiter 42, intermediate member 43, and torsion spring 44 are the same parts as in the first embodiment, so their explanation will be omitted.

固定筒部８１は、本体部８１１、ギア部８１２、底壁部８１３、軸穴８１４、スリット８１５等を備える。本体部８１１は、左方に向けて開口する有底略円筒状に形成される。本体部８１１は、トルクリミッタ４２、中間部材４３、トーションバネ４４を内側に収容可能な大きさを備える。ギア部８１２は、本体部８１１の外周面における左端側において周方向に設けられ、複数の歯を有するギア形状を備える。底壁部８１３は、本体部８１１の右端部に設けられ、右側面視略円形状に形成される。軸穴８１４は、底壁部８１３の中央部に設けられる。スリット８１５は、軸穴８１４から径方向両側に延びる長穴であり、左右方向に貫通する。 The fixed cylinder portion 81 includes a main body portion 811, a gear portion 812, a bottom wall portion 813, a shaft hole 814, a slit 815, and the like. The main body portion 811 is formed into a substantially cylindrical shape with a bottom that opens toward the left. The main body portion 811 has a size that can accommodate the torque limiter 42, the intermediate member 43, and the torsion spring 44 inside. The gear portion 812 is provided in the circumferential direction on the left end side of the outer circumferential surface of the main body portion 811, and has a gear shape having a plurality of teeth. The bottom wall portion 813 is provided at the right end portion of the main body portion 811 and has a substantially circular shape when viewed from the right side. The shaft hole 814 is provided in the center of the bottom wall portion 813. The slit 815 is an elongated hole that extends from the shaft hole 814 on both sides in the radial direction, and penetrates in the left-right direction.

フランジ部材８５は円盤状に形成され、軸穴８５１、ギア部８５２、第一突起８５５、第二突起８５６、バネ係止穴８５３を備える。軸穴８５１は、フランジ部材８５の中央部を左右方向に貫通して設けられる。ギア部８５２は、フランジ部材８５の外周部に沿って設けられ、複数の歯を有するギア形状を備える。第一突起８５５と第二突起８５６（図２３参照）は、フランジ部材８５の右面において、互いに周方向に離隔する位置に夫々右方に突出して設けられる。第一突起８５５と第二突起８５６の軸穴８５１を中心とする離隔角度は、約１２０°である。バネ係止穴８５３は、第二突起８５６の後側近傍に左右方向に貫通して設けられる。 The flange member 85 is formed into a disk shape and includes a shaft hole 851, a gear portion 852, a first protrusion 855, a second protrusion 856, and a spring locking hole 853. The shaft hole 851 is provided to pass through the center of the flange member 85 in the left-right direction. The gear portion 852 is provided along the outer circumference of the flange member 85 and has a gear shape with a plurality of teeth. The first protrusion 855 and the second protrusion 856 (see FIG. 23) are provided on the right surface of the flange member 85 at positions spaced apart from each other in the circumferential direction so as to protrude to the right. The separation angle between the first protrusion 855 and the second protrusion 856 about the shaft hole 851 is about 120°. The spring locking hole 853 is provided near the rear side of the second protrusion 856 so as to penetrate in the left-right direction.

図２０，図２１に示すように、支軸７３は、樹脂材料で形成され、左右方向に延びる円柱状の軸部７３１と、左端に形成される鍔状の頭部７３２とからなる。軸部７３１には、左右方向中央から少し左寄りの位置に、止め輪を嵌めるための細溝７３３が形成される。頭部７３２と細溝７３３との間の左右方向の寸法は、回転ユニット７２の左右方向の寸法よりも僅かに大きい。また、軸部７３１の右端部の外径は、中心孔７１８の内径よりも僅かに大きい。 As shown in FIGS. 20 and 21, the support shaft 73 is made of a resin material and includes a cylindrical shaft portion 731 extending in the left-right direction and a flange-shaped head 732 formed at the left end. A narrow groove 733 for fitting a retaining ring is formed in the shaft portion 731 at a position slightly leftward from the center in the left-right direction. The dimension in the left-right direction between the head 732 and the narrow groove 733 is slightly larger than the dimension in the left-right direction of the rotation unit 72. Further, the outer diameter of the right end portion of the shaft portion 731 is slightly larger than the inner diameter of the center hole 718.

図２２，図２３を参照し、回転ユニット７２の組立方法の一例を説明する。作業者は、固定筒部８１の本体部８１１の内側に対し、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材８５を収納する。先ず、固定筒部８１の本体部８１１の内側に、トルクリミッタ４２を挿入する。このとき、底壁部８１３のスリット８１５に対して、トルクリミッタ４２の本体輪部４２１の右端面に設けた一対の凸部４２５，４２６を係合させる。これにより、トルクリミッタ４２の本体輪部４２１は固定筒部８１と一体化し、本体部８１１に対する周方向への回転が制限される。 An example of a method for assembling the rotation unit 72 will be described with reference to FIGS. 22 and 23. The operator stores the torque limiter 42 , intermediate member 43 , torsion spring 44 , and flange member 85 inside the main body part 811 of the fixed cylinder part 81 . First, the torque limiter 42 is inserted inside the main body part 811 of the fixed cylinder part 81. At this time, a pair of convex portions 425 and 426 provided on the right end surface of the main body ring portion 421 of the torque limiter 42 are engaged with the slit 815 of the bottom wall portion 813. Thereby, the main body ring portion 421 of the torque limiter 42 is integrated with the fixed cylinder portion 81, and rotation in the circumferential direction with respect to the main body portion 811 is restricted.

次いで、トルクリミッタ４２が挿入された本体部８１１の内側に対し、中間部材４３、トーションバネ４４の順に挿入する。なお、本体部８１１の内側への中間部材４３及びトーションバネ４４の組立方法は、第一実施形態と同じなので説明を省略する。 Next, the intermediate member 43 and the torsion spring 44 are inserted in this order into the inside of the main body portion 811 into which the torque limiter 42 has been inserted. Note that the method for assembling the intermediate member 43 and torsion spring 44 inside the main body portion 811 is the same as in the first embodiment, so a description thereof will be omitted.

次いで、トーションバネ４４が挿入された本体部８１１の内側に対し、フランジ部材８５を挿入する。トーションバネ４４の腕部４４１の先端部を、フランジ部材８５のバネ係止穴８５３に挿入する。このようにして、固定筒部８１の本体部８１１の内側に、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材８５が収納され、回転ユニット７２の組み立てが完了する（図２０参照）。 Next, the flange member 85 is inserted into the inside of the main body portion 811 into which the torsion spring 44 has been inserted. The tip of the arm portion 441 of the torsion spring 44 is inserted into the spring locking hole 853 of the flange member 85. In this way, the torque limiter 42, the intermediate member 43, the torsion spring 44, and the flange member 85 are housed inside the main body part 811 of the fixed cylinder part 81, and the assembly of the rotation unit 72 is completed (see FIG. 20).

図２０を参照し、保持軸７１、回転ユニット７２、支軸７３の組立方法の一例を説明する。作業者は、まず、回転ユニット７２と支軸７３を組立て、その後、保持軸７１を回転ユニット７２に嵌め込むように組立てる。以下、順に説明する。支軸７３の軸部７３１を、回転ユニット７２のフランジ部材８５の軸穴８５１から右方に向けて差し込み、貫通させる。支軸７３の頭部７３２がフランジ部材８５に接触する位置まで軸部７３１を差し込むと、細溝７３３が回転ユニット７２の固定筒部８１の右側面から露出するので、細溝７３３に止め輪（図示略）を嵌める。これにて、回転ユニット７２は、支軸７３に回転可能、且つ左右方向（軸方向）には移動不能に支持される。 An example of a method for assembling the holding shaft 71, rotation unit 72, and support shaft 73 will be described with reference to FIG. 20. The operator first assembles the rotation unit 72 and the support shaft 73, and then assembles the holding shaft 71 so as to fit it into the rotation unit 72. Below, they will be explained in order. The shaft portion 731 of the support shaft 73 is inserted toward the right through the shaft hole 851 of the flange member 85 of the rotation unit 72 and passed through. When the shaft portion 731 is inserted to the position where the head 732 of the support shaft 73 contacts the flange member 85, the thin groove 733 is exposed from the right side of the fixed cylinder portion 81 of the rotation unit 72, so a retaining ring ( (not shown). The rotation unit 72 is thus supported by the support shaft 73 so as to be rotatable and immovable in the left-right direction (axial direction).

保持軸７１の円筒部７１０の内側に対し、回転ユニット７２を固定筒部８１側から挿入する。また、支軸７３の軸部７３１の右端部を、右側支軸７１６の中心孔７１８に押し込む。このとき、円筒部７１０の内側に設けた４つの被係止歯部７１５に対し、固定筒部８１のギア部８１２が噛合する。これにより、固定筒部８１は保持軸７１と一体化し、保持軸７１の円筒部７１０に対する周方向への回転が制限される。また、軸部７３１の外径は中心孔７１８の内径よりも僅かに大きいので、中心孔７１８に押し込まれた軸部７３１は軽圧入された状態となる。よって、支軸７３は、保持軸７１から外れないように固定される。 The rotation unit 72 is inserted into the inside of the cylindrical portion 710 of the holding shaft 71 from the fixed cylindrical portion 81 side. Further, the right end portion of the shaft portion 731 of the support shaft 73 is pushed into the center hole 718 of the right support shaft 716. At this time, the gear portion 812 of the fixed cylindrical portion 81 meshes with the four locked tooth portions 715 provided inside the cylindrical portion 710. Thereby, the fixed cylinder part 81 is integrated with the holding shaft 71, and rotation of the holding shaft 71 in the circumferential direction with respect to the cylindrical part 710 is restricted. Further, since the outer diameter of the shaft portion 731 is slightly larger than the inner diameter of the center hole 718, the shaft portion 731 pushed into the center hole 718 is lightly press-fitted. Therefore, the support shaft 73 is fixed so that it does not come off the holding shaft 71.

回転ユニット７２のうち左端側に位置するフランジ部材８５は、保持軸７１の円筒部７１０の左端側から突出して配置される（図１８参照）。このように、保持軸７１、回転ユニット７２、及び支軸７３が相互に組み合わされて、ロール保持部材７０の組み立てが完了する（図１８参照）。 The flange member 85 located on the left end side of the rotation unit 72 is arranged to protrude from the left end side of the cylindrical portion 710 of the holding shaft 71 (see FIG. 18). In this way, the holding shaft 71, rotation unit 72, and support shaft 73 are combined with each other, and the assembly of the roll holding member 70 is completed (see FIG. 18).

筐体６０に対するロール保持部材７０の取付方法の一例を説明する。なお、ロール保持部材７０は、ロールＭ２の軸心穴に内嵌した状態で、筐体６０に取り付ける。ロール保持部材７０の左端部においては、支軸７３の頭部７３２と、フランジ部材８５のギア部８５２が、保持軸７１の円筒部７１０から左方に突出する（図１８参照）。ロール保持部材７０の右端部においては、右側支軸７１６が右方に突出する（図１９参照）。ユーザは、図１７に示す筐体６０の左壁部６２の軸支溝部６６１に対し、図１８に示すロール保持部材７０の支軸７３の頭部７３２を挿入する。頭部７３２は、軸支溝部６６１において回転可能に軸支される。フランジ部材８５のギア部８５２は、筐体６０の左壁部６２の被係止部６５１と係合する。 An example of a method for attaching the roll holding member 70 to the housing 60 will be described. Note that the roll holding member 70 is attached to the housing 60 while being fitted into the axial center hole of the roll M2. At the left end of the roll holding member 70, the head 732 of the support shaft 73 and the gear portion 852 of the flange member 85 protrude leftward from the cylindrical portion 710 of the holding shaft 71 (see FIG. 18). At the right end of the roll holding member 70, a right support shaft 716 protrudes to the right (see FIG. 19). The user inserts the head 732 of the support shaft 73 of the roll holding member 70 shown in FIG. 18 into the shaft support groove 661 of the left wall 62 of the casing 60 shown in FIG. The head 732 is rotatably supported in the support groove 661 . The gear portion 852 of the flange member 85 engages with the locked portion 651 of the left wall portion 62 of the housing 60.

ユーザは、筐体６０の右壁部６３の軸支溝６９に対し、上方からロール保持部材７０の右側支軸７１６（図１９参照）を挿入する。右側支軸７１６は、軸支溝６９において回転可能に軸支される。このようにして、筐体６０に対するロール保持部材７０の取り付けが完了する。 The user inserts the right support shaft 716 (see FIG. 19) of the roll holding member 70 from above into the shaft support groove 69 of the right wall portion 63 of the housing 60. The right support shaft 716 is rotatably supported in the support groove 69 . In this way, attachment of the roll holding member 70 to the housing 60 is completed.

ロールＭ２の印刷時におけるロール保持部材７０の回転動作を説明する。図１６に示すように、筐体６０は、印刷装置１のロール保持機構１５に取り付けられる。筐体６０のロール保持機構１５への取り付け方法は、第一実施形態の筐体３０のロール保持機構１５への取り付け方法と同じなので、説明を省略する。ユーザは、ロール保持部材７０に保持されたロールＭ２からライナーレステープを前方に引き出し、筐体６０の左壁部６２の案内部６７１の下側と、筐体６０の右壁部６３の案内部６８１の下側とに通す。これにより、筐体６０は、ライナーレステープの浮き上がりを防止できる。 The rotational operation of the roll holding member 70 during printing on the roll M2 will be explained. As shown in FIG. 16, the housing 60 is attached to the roll holding mechanism 15 of the printing apparatus 1. The method of attaching the casing 60 to the roll holding mechanism 15 is the same as the method of attaching the casing 30 to the roll holding mechanism 15 of the first embodiment, so a description thereof will be omitted. The user pulls the linerless tape forward from the roll M2 held by the roll holding member 70, and presses the lower side of the guide portion 671 on the left wall portion 62 of the housing 60 and the guide portion on the right wall portion 63 of the housing 60. Pass it through the bottom of 681. Thereby, the housing 60 can prevent the linerless tape from lifting up.

ロール保持部材７０が筐体６０に取り付けられた状態において、ロール保持部材７０の右端側においては、保持軸７１の右側支軸７１６が、右壁部３３の軸支溝６９において回転可能に軸支される。ロール保持部材７０の左端側においては、フランジ部材８５のギア部８５２は、筐体６０の左壁部６２の被係止部６５１と係合するので、フランジ部材８５の位置が固定される。位置が固定されたフランジ部材８５に対して、支軸７３が回転可能に支持される。これにより、保持軸７１は筐体６０に対して回転可能となるので、保持軸７１に保持されたロールＭ２も一体して回転可能となる。 When the roll holding member 70 is attached to the housing 60 , the right support shaft 716 of the holding shaft 71 is rotatably supported in the support groove 69 of the right wall 33 on the right end side of the roll holding member 70 . be done. On the left end side of the roll holding member 70, the gear portion 852 of the flange member 85 engages with the locked portion 651 of the left wall portion 62 of the housing 60, so the position of the flange member 85 is fixed. The support shaft 73 is rotatably supported by the flange member 85 whose position is fixed. As a result, the holding shaft 71 becomes rotatable with respect to the housing 60, so that the roll M2 held by the holding shaft 71 also becomes rotatable together.

印刷装置１の印刷動作が開始すると、プラテンローラ１３は、搬送モータ（図示略）の駆動により回転する。ロールＭ２からライナーレステープが前方に引き出されて搬送される（図１６参照）。ライナーレステープが前方に引き出されることにより、保持軸７１は左側面視時計回りに回転し始める（図１８，図１９中Ｑ方向参照）これに伴い、図２２に示す回転ユニット７２のうち、トルクリミッタ４２と中間部材４３も保持軸７１と一体して回転する。中間部材４３の回転により、中間部材４３に係止するトーションバネ４４の腕部４４２も同一方向に回転するが、腕部４４１が係止するフランジ部材８５は回転しない。これにより、トーションバネ４４は、巻込む方向に撓み、中間部材４３に対して、トルクリミッタ４２の設定トルクよりも弱い力を、保持軸７１の回転方向とは反対方向に付勢する。 When the printing operation of the printing device 1 starts, the platen roller 13 is rotated by the drive of a conveyance motor (not shown). The linerless tape is pulled forward from the roll M2 and conveyed (see FIG. 16). As the linerless tape is pulled forward, the holding shaft 71 begins to rotate clockwise in the left side view (see direction Q in FIGS. 18 and 19). The limiter 42 and the intermediate member 43 also rotate together with the holding shaft 71. As the intermediate member 43 rotates, the arm portion 442 of the torsion spring 44 that is engaged with the intermediate member 43 also rotates in the same direction, but the flange member 85 that is engaged with the arm portion 441 does not rotate. As a result, the torsion spring 44 is bent in the winding direction, and applies a force weaker than the set torque of the torque limiter 42 to the intermediate member 43 in a direction opposite to the rotational direction of the holding shaft 71.

印刷動作開始時、中間部材４３の係合突起４３８（図２２参照）は、フランジ部材８５の第二突起８５６（図２３参照）に当接する位置にある。フランジ部材８５に対して、保持軸７１と共に中間部材４３が左側面視時計回りに回転すると、係合突起４３８は支軸７３を中心に同一方向に回転する。これより、係合突起４３８は、フランジ部材８５の第一突起８５５に当接するまで回転する。トーションバネ４４は、巻込む方向に撓んで、中間部材４３に対して、保持軸７１の回転方向とは反対方向に付勢する状態となる。 At the start of the printing operation, the engagement protrusion 438 (see FIG. 22) of the intermediate member 43 is in a position where it comes into contact with the second protrusion 856 (see FIG. 23) of the flange member 85. When the intermediate member 43 rotates together with the holding shaft 71 clockwise in the left side view with respect to the flange member 85, the engagement protrusion 438 rotates in the same direction about the support shaft 73. From this, the engagement protrusion 438 rotates until it comes into contact with the first protrusion 855 of the flange member 85. The torsion spring 44 is bent in the winding direction and biases the intermediate member 43 in a direction opposite to the rotational direction of the holding shaft 71.

係合突起４３８が第一突起８５５に当接すると、中間部材４３とフランジ部材８５は一体化する。ここで、保持軸７１は回転し続けるが、中間部材４３は回転しないので、トルクリミッタ４２に対して設定トルクを超えるトルクがかかる。このとき、中間部材４３に係合するトルクリミッタ４２の従動輪部４２２に対して、保持軸４１に係合する本体輪部４２１が滑り出す。これにより、ロールＭ２からライナーレステープが前方に引き出される間、ロール保持部材４０は、第一実施形態と同様に、トルクリミッタ４２の設定トルクにより、ライナーレステープに対して一定のテンションを付与できる。 When the engagement protrusion 438 comes into contact with the first protrusion 855, the intermediate member 43 and the flange member 85 are integrated. Here, the holding shaft 71 continues to rotate, but since the intermediate member 43 does not rotate, a torque exceeding the set torque is applied to the torque limiter 42. At this time, the main body ring portion 421 that engages with the holding shaft 41 begins to slide with respect to the driven wheel portion 422 of the torque limiter 42 that engages with the intermediate member 43 . Thereby, while the linerless tape is drawn out forward from the roll M2, the roll holding member 40 can apply a constant tension to the linerless tape by the set torque of the torque limiter 42, similar to the first embodiment. .

印刷動作実行後、印刷装置１は、サーマルヘッド１４と切断部との間の距離分の先頭余白を削減する為、次の感熱ラベルの印刷前にライナーレステープを逆転させる。このとき、トルクリミッタ４２により付与されていたテンションが解放されるので、トーションバネ４４の付勢力により、中間部材４３の係合突起４３８が、フランジ部材８５の第一突起８５５に当接した位置から、第二突起８５６に当接する位置まで回転する。このように、保持軸７１が逆転することで、ライナーレステープを巻き取ることができる。これにより、ライナーレステープに弛みが発生しないので、第二実施形態の印刷装置１も、第一実施形態と同様に、次の印刷動作を良好に行うことができる。 After executing the printing operation, the printing apparatus 1 reverses the linerless tape before printing the next thermal label in order to reduce the leading margin by the distance between the thermal head 14 and the cutting section. At this time, the tension applied by the torque limiter 42 is released, so the urging force of the torsion spring 44 moves the engagement protrusion 438 of the intermediate member 43 from the position where it abuts the first protrusion 855 of the flange member 85. , rotates to a position where it abuts the second protrusion 856. By reversing the holding shaft 71 in this way, the linerless tape can be wound up. As a result, the linerless tape does not slacken, so that the printing apparatus 1 of the second embodiment can also perform the next printing operation favorably, similarly to the first embodiment.

上記説明にて、筐体６０の左壁部６２に設けた被係止部６５１は本発明の「被係止部」の一例である。ロール保持部材７０において、支軸７３と右側支軸７１６は本発明の「支軸」の一例である。フランジ部材８５は本発明の「回転係止部材」の一例であり、ギア部８５２は本発明の「係止部」の一例である。 In the above description, the locked portion 651 provided on the left wall portion 62 of the housing 60 is an example of the “locked portion” of the present invention. In the roll holding member 70, the support shaft 73 and the right support shaft 716 are examples of the "support shaft" of the present invention. The flange member 85 is an example of the "rotation locking member" of the present invention, and the gear portion 852 is an example of the "locking portion" of the present invention.

以上説明したように、第二実施形態のアタッチメント２００も、第一実施形態と同様の効果を得ることができる。 As explained above, the attachment 200 of the second embodiment can also obtain the same effects as the first embodiment.

本発明のアタッチメント及び印刷装置は、上記した実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲内で種々変更が可能である。 The attachment and printing device of the present invention are not limited to the embodiments described above, and various modifications can be made without departing from the gist of the present invention.

第一実施形態において、アタッチメント１００は、上部が開口する略箱状の筐体３０を備えるが、筐体３０の代わりに、例えば、筐体３０の底壁部３１を省略し、左壁部３２及び右壁部３３に対応する一対の側壁部材としてもよい。なお、第二実施形態の筐体６０においても同様である。 In the first embodiment, the attachment 100 includes a substantially box-shaped casing 30 with an open top, but instead of the casing 30, for example, the bottom wall 31 of the casing 30 is omitted, and the left wall 32 is omitted. And it is good also as a pair of side wall members corresponding to the right wall part 33. Note that the same applies to the housing 60 of the second embodiment.

第一実施形態において、筐体３０の底壁部３１は、側面視中央部が下方に向けて略円弧状に湾曲するが、平面形状でもよい。好ましくは、本体カバー１０の形状に合わせて湾曲することで、底壁部３１を本体カバー１０の上面により近づけることができるので、筐体３０の内側により広い空間を確保できる。なお、第二実施形態の筐体６０においても同様である。 In the first embodiment, the bottom wall portion 31 of the casing 30 is curved downward in a substantially arc shape at the central portion in side view, but may have a planar shape. Preferably, by curving to match the shape of the main body cover 10, the bottom wall portion 31 can be brought closer to the upper surface of the main body cover 10, so that a wider space can be secured inside the housing 30. Note that the same applies to the housing 60 of the second embodiment.

第一実施形態において、筐体３０の左壁部３２には、二つの第一突起部３２１と第二突起部３２２が設けられるが、例えば何れか一方だけでもよく、二つ以上でもよい。二つ以上設けることで、ロール保持機構１５の左保持部７の対向面１７に対して左壁部３２が回転して位置ずれするのを防止できる。なお、筐体３０の右壁部３３においても同様である。第二実施形態の筐体６０においても同様である。 In the first embodiment, the left wall portion 32 of the housing 30 is provided with two first protrusions 321 and two second protrusions 322, but for example, only one or two or more may be provided. By providing two or more, it is possible to prevent the left wall portion 32 from rotating and shifting with respect to the opposing surface 17 of the left holding portion 7 of the roll holding mechanism 15. Note that the same applies to the right wall portion 33 of the housing 30. The same applies to the housing 60 of the second embodiment.

第一実施形態において、第一突起部３２１、第二突起部３２２、第三突起部３２３の各形状は、上記実施形態に限定せず、自由に変更可能である。例えば第二実施形態の第一突起部６３１、第二突起部６３２のように略円柱状でもよい。上記第一実施形態では、ロール保持機構１５の左保持部７の円形状の第一被係合穴１７４に対し、第一突起部３２１のピン３２１Ａが係合するが、例えば、第一被係合穴１７４を矩形状にして、第一突起部３２１を係合するようにしてもよい。なお、筐体３０の右壁部３３においても同様である。第二実施形態の筐体６０においても同様である。 In the first embodiment, the shapes of the first protrusion 321, the second protrusion 322, and the third protrusion 323 are not limited to the above embodiments, and can be freely changed. For example, it may be approximately cylindrical like the first protrusion 631 and second protrusion 632 in the second embodiment. In the first embodiment, the pin 321A of the first protrusion 321 engages with the circular first engaged hole 174 of the left holding part 7 of the roll holding mechanism 15. The matching hole 174 may have a rectangular shape so that the first protrusion 321 is engaged therewith. Note that the same applies to the right wall portion 33 of the housing 30. The same applies to the housing 60 of the second embodiment.

第一実施形態において、ロール保持部材４０は、右側から順に、保持軸４１、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材４５を互いに組み合わせて備えるが、例えば、これらを左右対称の構造に変形し、左側から順に、保持軸４１、トルクリミッタ４２、中間部材４３、トーションバネ４４、フランジ部材４５としてもよい。この場合、フランジ部材４５の矩形状部４５２が右側に配置されるので、筐体３０の右壁部３３に被係止溝を設け、右壁部３３に軸支溝を設ければよい。なお、第二実施形態のロール保持部材７０においても同様である。 In the first embodiment, the roll holding member 40 includes, in order from the right side, a holding shaft 41, a torque limiter 42, an intermediate member 43, a torsion spring 44, and a flange member 45 in combination with each other. The holding shaft 41, the torque limiter 42, the intermediate member 43, the torsion spring 44, and the flange member 45 may be modified in this order from the left side. In this case, since the rectangular portion 452 of the flange member 45 is disposed on the right side, a locking groove may be provided in the right wall portion 33 of the housing 30, and a shaft support groove may be provided in the right wall portion 33. Note that the same applies to the roll holding member 70 of the second embodiment.

第一実施形態のアタッチメント１００では、フランジ部材４５の矩形状部４５２を、筐体３０の左壁部３２の被係止溝３５に嵌合させるが、フランジ部材４５の左側支軸５４を中心とする周方向への回転を制限する為の構造は、これ以外の構造でもよく、例えば、第二実施形態のようにしてもよい。 In the attachment 100 of the first embodiment, the rectangular portion 452 of the flange member 45 is fitted into the locking groove 35 of the left wall portion 32 of the casing 30. The structure for restricting rotation in the circumferential direction may be any other structure, for example, as in the second embodiment.

ロール保持部材４０，７０は、本発明の「抵抗付与部」として、トルクリミッタ４２を備えるが、これ以外の部材でもよく、例えば、クラッチバネでもよい。 The roll holding members 40, 70 include a torque limiter 42 as the "resistance applying section" of the present invention, but other members may be used, such as clutch springs.

１ 印刷装置
７ 左保持部
８ 右保持部
１１ 収容部
１５ ロール保持機構
３０ 筐体
３２ 左壁部
３３ 右壁部
３５ 被係止溝
３６ 軸支溝
４０，７０ ロール保持部材
４１，７１ 保持軸
４２ トルクリミッタ
４３ 中間部材
４４ トーションバネ
４５，８５ フランジ部材
５４ 左側支軸
５６ 右側支軸
７１ 保持軸
７３ 支軸
１００，２００ アタッチメント
３７１，３８１ 案内部
Ｍ１，Ｍ２ ロール 1 Printing device 7 Left holding part 8 Right holding part 11 Storage part 15 Roll holding mechanism 30 Housing 32 Left wall part 33 Right wall part 35 Locked groove 36 Shaft support groove 40, 70 Roll holding member 41, 71 Holding shaft 42 Torque limiter 43 Intermediate member 44 Torsion spring 45, 85 Flange member 54 Left side support shaft 56 Right side support shaft 71 Holding shaft 73 Support shaft 100,200 Attachment 371,381 Guide part M1, M2 Roll

Claims (7)

印刷装置の印刷媒体を収容する収容部に着脱可能に装着し、前記印刷媒体を巻回するロールを支持するアタッチメントであって、
上部が開口する略箱状をなし、前記ロールを交換可能に内側に収容する筐体と、
前記筐体に設けられ、前記筐体が前記収容部に装着されたとき、前記収容部に設けた被係合部に係脱可能に係合する係合部と、
前記筐体の対向する一対の側壁の夫々に設けられ、前記ロールを回転可能に支持する一対の支持部と、
前記一対の支持部に回転可能に支持され、前記ロールを保持するロール保持部材と
を備え、
前記一対の支持部のうち一方の支持部は、被係止部を含み、
前記ロール保持部材は、
前記ロールの軸心穴に回転不能に内嵌して前記ロールを保持する保持軸と、
前記保持軸の前記一方側の一端から軸方向外側に延びる第一支軸と、
前記第一支軸に回転可能に支持され、前記被係止部に係止した状態で、前記一方の支持部に支持される回転係止部材と、
前記保持軸の前記一方側の前記一端とは反対側の他端から軸方向外側に延び、前記一対の支持部のうち他方の支持部に回転可能に支持される第二支軸と、
前記保持軸と前記回転係止部材の間に配置され、前記第一支軸に回転可能に支持される中間部材と、
前記保持軸と前記中間部材の間に配置され、前記保持軸と前記中間部材の相対的な回転に抵抗力を付与する抵抗付与部と、
前記回転係止部材と前記中間部材の間に配置され、前記回転係止部材が前記被係止部に係止し、前記回転係止部材の回転が停止した状態で、前記中間部材に対し、前記ロールから前記印刷媒体が引き出されるときの回転方向とは反対の回転方向に、前記抵抗付与部が付与する前記抵抗力よりも弱い力を付勢する付勢部材と
を備えたことを特徴とするアタッチメント。 An attachment that is removably attached to a storage unit that stores a print medium of a printing device and supports a roll that winds the print medium,
a casing having a substantially box-like shape with an open top and housing the roll in a replaceable manner;
an engaging part that is provided on the housing and removably engages with an engaged part provided on the housing part when the housing is attached to the housing part;
a pair of support parts that are provided on each of a pair of opposing side walls of the housing and rotatably support the roll ;
a roll holding member rotatably supported by the pair of support parts and holding the roll;
Equipped with
One of the pair of support parts includes a locked part,
The roll holding member is
a holding shaft that is non-rotatably fitted into an axial hole of the roll and holds the roll;
a first support shaft extending axially outward from one end of the one side of the holding shaft;
a rotation locking member rotatably supported by the first support shaft and supported by the one support portion in a state locked by the locked portion;
a second support shaft extending axially outward from the other end on the one side opposite to the one end of the holding shaft and rotatably supported by the other support part of the pair of support parts;
an intermediate member disposed between the holding shaft and the rotation locking member and rotatably supported by the first support shaft;
a resistance applying part that is disposed between the holding shaft and the intermediate member and applies resistance to relative rotation of the holding shaft and the intermediate member;
disposed between the rotational locking member and the intermediate member, the rotational locking member locks on the locked portion, and in a state where the rotation of the rotational locking member is stopped, with respect to the intermediate member, an urging member that applies a force weaker than the resistance force applied by the resistance applying section in a rotational direction opposite to a rotational direction when the printing medium is pulled out from the roll;
An attachment characterized by being equipped with. 印刷装置の印刷媒体を収容する収容部に着脱可能に装着し、前記印刷媒体を巻回するロールを支持するアタッチメントであって、
上部が開口する略箱状をなし、前記ロールを交換可能に内側に収容する筐体と、
前記筐体に設けられ、前記筐体が前記収容部に装着されたとき、前記収容部に設けた被係合部に係脱可能に係合する係合部と、
前記筐体の対向する一対の側壁の夫々に設けられ、前記ロールを回転可能に支持する一対の支持部と、
前記一対の支持部に回転可能に支持され、前記ロールを保持するロール保持部材と
を備え、
前記一対の支持部のうち一方の支持部は、被係止部を含み、
前記ロール保持部材は、
前記ロールの軸心穴に回転不能に内嵌して前記ロールを保持する保持軸と、
前記保持軸の両端から軸方向両側に夫々延び、両端部が前記一対の支持部に回転可能に支持される支軸と、
前記支軸の一端部に回転可能に支持され、前記被係止部に係止する係止部を有する回転係止部材と、
前記支軸に回転可能に支持され、前記保持軸と前記回転係止部材の間に配置され、前記回転係止部材に対して所定角度だけ回転可能な中間部材と、
前記保持軸と前記中間部材の間に配置され、前記保持軸と前記中間部材の相対的な回転に抵抗力を付与する抵抗付与部と、
前記回転係止部材と前記中間部材の間に配置され、前記回転係止部材の前記係止部が前記被係止部に係止し、前記回転係止部材の回転が停止した状態で、前記中間部材に対し、前記ロールから前記印刷媒体が引き出されるときの回転方向とは反対の回転方向に、前記抵抗付与部が付与する前記抵抗力よりも弱い力を付勢する付勢部材と
を備えたことを特徴とするアタッチメント。 An attachment that is removably attached to a storage unit that stores a print medium of a printing device and supports a roll that winds the print medium,
a casing having a substantially box-like shape with an open top and housing the roll in a replaceable manner;
an engaging part that is provided on the housing and removably engages with an engaged part provided on the housing part when the housing is attached to the housing part;
a pair of support parts that are provided on each of a pair of opposing side walls of the housing and rotatably support the roll;
a roll holding member rotatably supported by the pair of support parts and holding the roll;
Equipped with
One of the pair of support parts includes a locked part,
The roll holding member is
a holding shaft that is non-rotatably fitted into an axial hole of the roll and holds the roll;
a support shaft extending from both ends of the holding shaft to both sides in the axial direction, and having both ends rotatably supported by the pair of support parts;
a rotational locking member that is rotatably supported by one end of the support shaft and has a locking portion that locks the locked portion;
an intermediate member rotatably supported by the support shaft, disposed between the holding shaft and the rotation locking member, and rotatable by a predetermined angle with respect to the rotation locking member;
a resistance applying part that is disposed between the holding shaft and the intermediate member and applies resistance to relative rotation of the holding shaft and the intermediate member;
disposed between the rotation locking member and the intermediate member, the locking portion of the rotation locking member locks with the locked portion, and the rotation of the rotation locking member is stopped; an urging member that applies a force weaker than the resistance force applied by the resistance applying section to the intermediate member in a rotational direction opposite to a rotational direction when the printing medium is pulled out from the roll;
An attachment characterized by being equipped with. 前記係合部は、前記筐体の側壁部の外側面に設けられ、
前記収容部を構成し、前記印刷媒体を保持する為の保持部に設けた前記被係合部に係脱可能に係合すること
を特徴とする請求項１又は２に記載のアタッチメント。 The engaging portion is provided on an outer surface of a side wall portion of the housing,
The attachment according to claim 1 or 2, wherein the attachment is removably engaged with the engaged portion provided on a holding portion that constitutes the storage portion and holds the print medium. 前記係合部は、前記側壁部の前記外側面に少なくとも２つ設けたこと
を特徴とする請求項３に記載のアタッチメント。 The attachment according to claim 3 , wherein at least two engaging portions are provided on the outer surface of the side wall portion. 前記筐体は、前記ロールを内側に収容するとき、前記ロールから引き出される前記印刷媒体を前記筐体の内側に案内する案内部を備えたこと
を特徴とする請求項１から４の何れか一に記載のアタッチメント。 Any one of claims 1 to 4 , wherein the casing includes a guide portion that guides the print medium pulled out from the roll into the casing when the roll is housed inside the casing. Attachments listed in. 請求項１から５の何れか一に記載のアタッチメントを備えたこと
を特徴とする印刷装置。 A printing device comprising the attachment according to any one of claims 1 to 5 . 印刷媒体を巻回するロールを内側に収容可能な収容部と、 a storage unit that can accommodate a roll for winding print media inside;
前記収容部に設けられ、前記収容部に収容された前記ロールを、互いの間で前記ロールの幅方向の両側から保持する第１保持部及び第２保持部と、 a first holding part and a second holding part that are provided in the storage part and hold the roll stored in the storage part from both sides in the width direction of the roll;
上部が開口する略箱状に形成され、前記収容部に収容可能であって、前記ロールを交換可能に内側に収容する筐体と、前記筐体に設けられ、前記筐体の内側に収容された前記ロールを回転可能に支持する支持部とを備えるアタッチメントと a casing formed in a substantially box shape with an open top, capable of being accommodated in the accommodating portion, and accommodating the roll in a replaceable manner; an attachment that rotatably supports the roll;
を備え、Equipped with
前記第１保持部は、 The first holding part is
前記ロールに対して前記幅方向の一方側から前記ロールを保持する為の第１ロール保持部と、 a first roll holding part for holding the roll from one side in the width direction with respect to the roll;
前記筐体に対して前記幅方向の一方側から前記アタッチメントを保持する為の第１アタッチメント保持部と a first attachment holding portion for holding the attachment from one side in the width direction with respect to the housing;
を備え、Equipped with
前記第２保持部は、 The second holding part is
前記ロールに対して前記幅方向の他方側から前記ロールを保持する為の第２ロール保持部と、 a second roll holding part for holding the roll from the other side in the width direction with respect to the roll;
前記筐体に対して前記幅方向の他方側から前記アタッチメントを保持する為の第２アタッチメント保持部と a second attachment holding part for holding the attachment from the other side in the width direction with respect to the housing;
を備えたことを特徴とする印刷装置。A printing device characterized by comprising:
JP2019153341A 2019-08-26 2019-08-26 Attachments and printing equipment Active JP7363192B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019153341A JP7363192B2 (en) 2019-08-26 2019-08-26 Attachments and printing equipment
US17/000,261 US11840070B2 (en) 2019-08-26 2020-08-21 Attachment and printing apparatus
CN202010855886.3A CN112428707A (en) 2019-08-26 2020-08-24 Accessory and printing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019153341A JP7363192B2 (en) 2019-08-26 2019-08-26 Attachments and printing equipment

Publications (2)

Publication Number Publication Date
JP2021030575A JP2021030575A (en) 2021-03-01
JP7363192B2 true JP7363192B2 (en) 2023-10-18

Family

ID=74678740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019153341A Active JP7363192B2 (en) 2019-08-26 2019-08-26 Attachments and printing equipment

Country Status (3)

Country Link
US (1) US11840070B2 (en)
JP (1) JP7363192B2 (en)
CN (1) CN112428707A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7205249B2 (en) * 2019-01-24 2023-01-17 ブラザー工業株式会社 printer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018187942A (en) 2018-08-28 2018-11-29 セイコーエプソン株式会社 Recording device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204559A (en) 1984-03-29 1985-10-16 Sato :Kk Device for appropriately sending out belt material
JPH06219002A (en) 1993-01-26 1994-08-09 Nec Eng Ltd Roll paper support mechanism
JP4517743B2 (en) * 2004-06-23 2010-08-04 セイコーエプソン株式会社 Printing unit
JP2010046977A (en) * 2008-08-25 2010-03-04 Seiko Instruments Inc Thermal printer
JP5353302B2 (en) * 2009-03-02 2013-11-27 セイコーエプソン株式会社 Roll paper storage width variable mechanism, roll paper supply device, and roll paper printer
TWM372830U (en) * 2009-07-22 2010-01-21 Tsc Auto Id Technology Co Ltd Paper roll fixture of barcode printer
TW201404609A (en) * 2012-07-27 2014-02-01 Primax Electronics Ltd Paper roll fixing device of printer
JP5799981B2 (en) 2013-06-28 2015-10-28 株式会社寺岡精工 Printing device
JP6398174B2 (en) 2013-10-22 2018-10-03 セイコーエプソン株式会社 Recording device
CN205220083U (en) * 2015-11-24 2016-05-11 江门市得实计算机外部设备有限公司 Roll web dress paper ware structure of printer
US10611588B2 (en) * 2017-10-30 2020-04-07 Transact Technologies Incorporated Two-part spindle mechanism for a printer paper bucket, a printer paper bucket, and a printer having a paper bucket with a two-part spindle mechanism
JP6987620B2 (en) 2017-11-24 2022-01-05 東芝テック株式会社 Roll paper holder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018187942A (en) 2018-08-28 2018-11-29 セイコーエプソン株式会社 Recording device

Also Published As

Publication number Publication date
CN112428707A (en) 2021-03-02
JP2021030575A (en) 2021-03-01
US11840070B2 (en) 2023-12-12
US20210060985A1 (en) 2021-03-04

Similar Documents

Publication Publication Date Title
JP4763577B2 (en) Roll paper support mechanism and printer
JP6561750B2 (en) Tape cartridge
US7128483B2 (en) Ribbon cassette with ink ribbon slack prevention mechanism
US5399036A (en) Tape taking-up mechanism
TWI649209B (en) Cassette
JP2012101488A (en) Tape reel device and tape cartridge including the same
JP7363192B2 (en) Attachments and printing equipment
JP2009045765A (en) Recorder
US4861177A (en) Reloadable ribbon cassette system
JP2003146493A (en) Roll paper hold device and printer
JP2003136820A (en) Thermal transfer printer
JP2005329569A (en) Cartridge
JP2001030689A (en) Power transmitting device for delivery core and take-up core in coating film transfer utensil
JPH07256967A (en) Ink ribbon cassette device in thermal transfer printer
JP6229509B2 (en) Cutting device and printing device
US4494708A (en) Paper tape rewinding device
WO2017047083A1 (en) Tape cartridge
JPH0679937A (en) Paper guide for miniaturized printer
JP6498805B2 (en) Tape cartridge
JP5408296B2 (en) Recording device
JP6452869B2 (en) Tape cartridge
JP7087567B2 (en) Winding equipment and printing equipment
JP6256584B2 (en) Tape cartridge
JP2016187920A (en) Printer
JP3603608B2 (en) Braking device for ribbon cartridge and ribbon cartridge provided with the same

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220712

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230509

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230530

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230721

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230905

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230918

R150 Certificate of patent or registration of utility model

Ref document number: 7363192

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150